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Blog posts tagged with 'perfluoronated compounds'

Dicofol Pesticide Reference Standard | Chem Service Inc. | PFOAs PFASs Wellington Laboratories | Greyhound Chromatography

New Listing of Chemicals: Persistent Organic Pollutants (POPs)

under the Stockholm Convention

Plastics Contamination in the Sea Image

Governments agree landmark decisions to protect people and planet from hazardous chemicals and waste, including plastic waste

The two new chemicals listed in Annex A to the Stockholm Convention are the pesticide Dicofol, and Perfluorooctanoic acid (PFOA) its salts and PFOA-related compounds (some applications with time-limited exemptions). Listing in Annex A to the Convention obliges Parties to eliminate these chemicals from use. The two chemicals are listed on the basis of a robust review process addressing risks, management options and alternatives by the UN’s POPs Review Committee. Dicofol is used as a miticide on a variety of field crops, fruits, vegetables, ornamentals and tea and coffee and is known to cause skin irritation and hyperstimulation of nerve transmissions in humans as well as being highly toxic to fish, aquatic invertebrates, algae and birds. PFOA is a widely-used industrial chemical used in the production of non-stick cookware and food processing equipment, as well as a surfactant in textiles, carpets, paper, paints and fire-fighting foams. As a substance of very high concern, it is known to be linked to major health problems including kidney cancer, testicular cancer, thyroid disease and hypertension in pregnancy. More information on these chemicals is available in factsheets at: http://chm.pops.int/tabid/243/Default.aspx

View the Full article below. 

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Dicofol Pesticide Analytical Testing Standard available from Greyhound Chromatography  

 

BUY HERE

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Full Range of Wellington Laboratories Analytical Reference Standards, including PFOAs and PFASs Available from Greyhound Chromatography  View Full Range of Products    HERE 

 

Governments agree landmark decisions to protect people and planet from hazardous chemicals and waste, including plastic waste

 

Geneva, 10 May 2019 - Decisions on plastic waste have been reached today in Geneva, as approximately 180 governments adopted a raft of decisions aimed at protecting human health and the environment from the harmful effects of hazardous chemicals and waste.

Pollution from plastic waste, acknowledged as a major environmental problem of global concern, has reached epidemic proportions with an estimated 100 million tonnes of plastic now found in the oceans, 80-90% of which comes from land-based sources1. Governments this week amended the Basel Convention to include plastic waste in a legally-binding framework which will make global trade in plastic waste more transparent and better regulated, whilst also ensuring that its management is safer for human health and the environment. At the same time, a new Partnership on Plastic Waste was established to mobilise business, government, academic and civil society resources, interests and expertise to assist in implementing the new measures, to provide a set of practical supports – including tools, best practices, technical and financial assistance - for this ground-breaking agreement.

Other far-reaching decisions from the two weeks included the elimination of two toxic chemical groups, which together total about 4,000 chemicals, listed into Annex A of the Stockholm Convention, namely Dicofol and Perfluorooctanoic Acid (PFOA) and its salts and PFOA-related compounds. The latter has till now been used in a wide variety of industrial and domestic applications including non-stick cookware and food processing equipment, as well as a surfactant in textiles, carpets, paper, paints and fire-fighting foams.

Important progress was also made under the Rotterdam Convention, which provides a legally-binding framework for information exchange and informed decision-making in the trade of certain hazardous pesticides and industrial chemicals. Two chemicals, the pesticide phorate and the industrial chemical hexabromocyclododecane were added to Annex III of the convention, making them subject to the Prior Informed Consent (PIC) Procedure, through which countries can decide on future imports of these chemicals. A further decision, to approve procedures and mechanisms on compliance with the Rotterdam Convention – seen as a crucial step for further improving implementation of this key convention - was adopted with great appreciation by Parties.

Working for two weeks in Geneva under the theme of “Clean Planet, Healthy People: Sound Management of Chemicals and Waste”, approximately 1,400 delegates from around 180 countries converged for the meetings of the Conferences of Parties to the Basel, Rotterdam and Stockholm conventions (Triple COPs). Participants benefited from the numerous opportunities and events to exchange information on alternatives to these chemicals, as well as best practices.

Speaking at the closing session of the Triple COPs, Rolph Payet, Executive Secretary (UNEP) of the three conventions, said that “I’m proud that this week in Geneva, Parties to the Basel Convention have reached agreement on a legally-binding, globally-reaching mechanism for managing plastic waste. Plastic waste is acknowledged as one of the world’s most pressing environmental issues, and the fact that this week close to 1 million people around the world signed a petition urging Basel Convention Parties to take action here in Geneva at the COPs is a sign that public awareness and desire for action is high.

We were able to list two out of 7 candidate chemicals and will continue working closely with parties to identify feasible alternative solutions to hazardous pesticides, taking due account of food security and market access aspects” added Hans Dreyer, Executive Secretary (FAO) of the Rotterdam Convention.

Notes for Editors:

The Basel Convention on the Control of Transboundary Movements of Hazardous Waste and their Disposal is the most comprehensive international environmental agreement on hazardous and other wastes and is almost universal, with 187 Parties. With an overarching objective of protecting human health and the environment against the adverse effects of hazardous wastes and other wastes, its scope covers a wide range of wastes defined as “hazardous” based on their origin and/or composition and characteristics, as well as two types of wastes defined as “other wastes” – household waste and incinerator ash. See www.basel.int

Plastic Waste

With an estimated 100 million tonnes of plastic in our seas, 80-90% of which has come from land-based sources, the high public profile of this issue is understandable. Reducing waste generation at source, and improving waste management thereafter, would go a long way towards solving this problem. For more on this see:  http://www.brsmeas.org/?tabid=4332&blogId=5169 and http://www.brsmeas.org/tabid/7656/Default.aspx

The Rotterdam Convention on the Prior Informed Consent Procedure (PIC) for Certain Hazardous Chemicals and Pesticides in International Trade, is jointly administered by the United Nations Food and Agriculture Organization (FAO) and UN Environment (UNEP). The 161 Parties to this legally-binding Convention share responsibility and cooperate to safely manage chemicals in international trade. As of the end of this COP, 52 chemicals and pesticides are listed in its Annex III. The Convention does not introduce bans but facilitates the exchange of information among Parties on hazardous chemicals and pesticides, and their potential risks, to inform and improve national decision making. In addition, through the PIC Procedure, it provides a legally-binding mechanism to support national decisions on the import of selected chemicals and pesticides in order to minimize the risk they pose to human health and the environment. See www.pic.int

Listing of Chemicals: Pesticides and Industrial Chemicals under the Rotterdam Convention

The newly-listed chemicals are phorate (a pesticide) and hexabromocyclododecane (an industrial chemical) these chemicals would be included in the prior informed consent (PIC) procedure enabling better-informed decision-making on the trade in chemicals, thereby protecting human health and the environment. More information on these chemicals is available at: http://www.pic.int/tabid/1185/Default.aspx

The Stockholm Convention on Persistent Organic Pollutants is a global treaty to protect human health and the environment from chemicals that remain intact in the environment for long periods, become widely distributed geographically, accumulate in the fatty tissue of humans and wildlife, and have harmful impacts on human health or on the environment. Exposure to Persistent Organic Pollutants (POPs) can lead to serious health effects including certain cancers, birth defects, dysfunctional immune and reproductive systems, greater susceptibility to disease and damage to the central and peripheral nervous systems. The Convention requires its Parties to take measures to eliminate or reduce the release of POPs into the environment. As of today, this legally-binding Convention has 182 Parties, giving it almost universal coverage. As of the end of this COP, 30 chemicals of global concern are listed under the Stockholm Convention. See www.pops.int

Listing of Chemicals: Persistent Organic Pollutants (POPs) under the Stockholm Convention

The two new chemicals listed in Annex A to the Stockholm Convention are the pesticide Dicofol, and Perfluorooctanoic acid (PFOA) its salts and PFOA-related compounds (some applications with time-limited exemptions). Listing in Annex A to the Convention obliges Parties to eliminate these chemicals from use. The two chemicals are listed on the basis of a robust review process addressing risks, management options and alternatives by the UN’s POPs Review Committee. Dicofol is used as a miticide on a variety of field crops, fruits, vegetables, ornamentals and tea and coffee and is known to cause skin irritation and hyperstimulation of nerve transmissions in humans as well as being highly toxic to fish, aquatic invertebrates, algae and birds. PFOA is a widely-used industrial chemical used in the production of non-stick cookware and food processing equipment, as well as a surfactant in textiles, carpets, paper, paints and fire-fighting foams. As a substance of very high concern, it is known to be linked to major health problems including kidney cancer, testicular cancer, thyroid disease and hypertension in pregnancy. More information on these chemicals is available in factsheets at: http://chm.pops.int/tabid/243/Default.aspx

For BRS conventions general media enquiries see: www.brsmeas.org or contact:
Charlie AVIS, Public Information Officer (UN Environment), Geneva 
+41-79-730-4495

 Full article courtesy of www.brsmeas.org

 

 


1 Data from “Marine litter plastics and microplastics and their toxic chemicals components: the need for urgent preventive measures” by Frederic Gallo et. al. in Environmental Sciences Europe 2018; 30(1): 13, at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5918521/

 

 

 

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New Branched Perfluoroalkyl Reference Standards

Wellington Laboratories Logo

It is well documented that many environmental samples contain both branched and linear isomers of perfluoroalkyl carboxylic acids and perfluoroalkanesulfonate salts.  In response to customer requests for quantitative reference standards for these compounds, wellington Laboratories has synthesized additional branched perfluoroalkyl compounds (P3MHpA, P4MOA, and NaP3MHpS) to complement their currently available selection of standards.  A typical commercial sample of perfluorooctanesulfonic acid (PFOS) contains 5% and 11% of NaP3MHpS and NaP6MHpS respectively.  Similarly, technical mixtures of perfluorooctanoic acid (PFOA) contain approximately 3% of P3MHpA.  It is hoped that the continued introduction of certified branched perfluoroalkyl reference standrds will aid researchers in the analysis of these compounds in environmental and biological samples.

Wellington Reporter Extract

Wellington Reporter May 2019

Wellington Reporter Discontinued Products | Greyhound Chromatography

Wellington Reporter Header

PRODUCT DISCONTINUED

P44DMHxS

Unfortunately, P44DMHxS (a mixture of perfluoro-4-4-dimethylhexane sulfonate and perfluoro-4-4-dimethylhexanoic acid) is being discontinued due to limited interest and a lack of inventory. However, these compounds are identified as minor components in our br-PFOSK/T-PFOS and T-PFOA reference standards respectively. We apologize for any inconvenience this may cause and appreciate your understanding. 

Wellington Reporter Extract

 

 

 

Wellington Reporter Footer

 

About Wellington Laboratories

For Over 40 years Wellington Laboratories Inc. has been internationally recognised as a trusted source of high quality reference standard solutions for use in environmental/analytical testing and toxicological research. Wellington Laboratories offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluorinated compounds. Wellington Laboratories also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods or modified in-house methods.

Wellington’s Reference Standards are used mainly in Environmental/analytical testing and toxicological research. Wellington offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluoronated compounds. Wellington also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods of modified in-house methods.

Wellington Laboratories are committed to the distribution of quality products as well as the maintenance of excellent customer service. In fact, in order to provide your customers with the best possible service, Wellington have three ISO certifications (ISO 9001:2008, ISO/IEC 17025:2005, and ISO Guide 34:2009) which cover all aspects of planning, production, testing, distribution, and post-distribution service. These certifications allow Wellington Laboratories to monitor and maintain the highest level of quality and service and also allow their customers to satisfy the requirements of their own ISO certifications.

Wellington’s ISO/IEC 17025:2005 accreditation has been certified by the Canadian Association for Laboratory Accreditation Inc. (CALA) the scope is available for review on the CALA Directory of Accredited Laboratories (http://www.cala.ca).

Similarly, Wellington’s ISO Guide 34:2009 accreditation has been certified by ANSI-ASQ National Accreditation Board (ANAB), the certificate and scope are available on their website (http://anab.org/).

We are able to supply hard copies of any of the ISO certificates for yourself and your customers.

 

Full Range of Wellington Laboratories' Products

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PFAS analysis in fish tissue by HPLC-MS/MS | Wellington Laboratories | Greyhound Chromatography

PFAS analysis in fish tissue by HPLC-MS/MS 

Development of extraction and cleanup approachesfor PFASsanalysis in fish tissue by HPLC-MS/MS technique

A V Sorokin, V V Ovcharenko, K A Turbabina, A I Kozhushkevich, A M Kalantaenko, A A Komarov

The Russian State Center for Quality and Standardization of Veterinary Drugs and Feed (VGNKI), Moscow, Russia, 123022

 

Abstract. The history of PFASs emergence and current status in the context of the Stockholm Convention on POPs, their environmental distribution and toxicity are discussed. Various approaches to PFASs analysis in fish tissues are discussed. An original method of sample preparation is described, which allows quantitative PFASs determination at 0.2 – 100 ppb levels.

  1.   Introduction

Perfluorinated compounds (PFASs), classified according to the recommended terminology [1], are a large family of technogenic contaminants. The family consist of different compound classes, such as carboxylates, sulfonates, sulfonamides, alcohols and etc., of which carboxylates and sulfonates are most often analysed in laboratories. PFASs started to emerge into the environment in the late 40s as by-products of Teflon development by DuPont. Teflon was approved by FDA for kitchenware coating in 1962, and Zonyl was approved for food packaging in 1967. At present, PFASs are used in textile industry, paper production, as components in various resins, foams, etc. Accordingly, perfluorooctanoic acid (PFOA) (Fig. 1) was first detected in the blood samples of factory personnel in 1978, and in the ground water in 1984. Due to toxicity concerns, some companies stopped producing 8-carbon PFAS since 2000.

 Structure of Perfluoroctanoic Acid

 

PFASs are stable contaminants capable of bioaccumulation, they are detected in animal tissues. At present, the worldwide production of PFASs has been reduced due to information about their potential health risks, including risks of cancer promotion. According to the European Union data on PFAS in food collected in 2006 – 2012, perfluoroalkanesulfonates (PFSAs) and perfluoroalkylcarboxylicacids (PFCAs) are the most widespread food contaminants. PFSAs were mostly found in fish, meat, drinking water and fruits. The highest levels were detected in liver samples.

High levels of PFCAs and PFSAs were found in marine mammals feeding on fish in such industrially developed areas as the Baltic Sea, Mediterranean, the Great Lakes, and along the South East Asia coast, but also in such remote areas as Alaska and the Antarctic (Table 1).

 Detectable concentration of PFSAs Chart

Structure of general PFASs

 Most common approaches to PFASs extraction and cleanup involve methanol, acetonitrile, and their mixtures with acidic or alkaline modifications followed by SPE cleanup on commercial sorbents.  Here we report on the determination of perfluorinated carboxylates and sulfonates in medium-fat fish tissues using an alternative method of lipids removal described below.

 

DOWNLOAD THE FULL PAPER HERE  PDF

Acknowledgement to:

A V Sorokin, V V Ovcharenko, K A Turbabina, A I Kozhushkevich, A M Kalantaenko, A A Komarov

The Russian State Center for Quality and Standardization of Veterinary Drugs and Feed (VGNKI), Moscow, Russia, 123022

For permission to publish this paper. 

 

You May Also be Interested in

New Branched Perfluoroalkyl Reference Standards

Wellington Laboratories Logo     

It is well documented that many environmental samples contain both branched and linear isomers of perfluoroalkyl carboxylic acids and perfluoroalkanesulfonate salts.  In response to customer requests for quantitative reference standards for these compounds, wellington Laboratories has synthesized additional branched perfluoroalkyl compounds (P3MHpA, P4MOA, and NaP3MHpS) to complement their currently available selection of standards.  A typical commercial sample of perfluorooctanesulfonic acid (PFOS) contains 5% and 11% of NaP3MHpS and NaP6MHpS respectively.  Similarly, technical mixtures of perfluorooctanoic acid (PFOA) contain approximately 3% of P3MHpA.  It is hoped that the continued introduction of certified branched perfluoroalkyl reference standrds will aid researchers in the analysis of these compounds in environmental and biological samples.

Wellington Reporter Extract

Wellington Reporter May 2019

Wellington Reporter Discontinued Products 

Wellington Reporter Header

PRODUCT DISCONTINUED

P44DMHxS

Unfortunately, P44DMHxS (a mixture of perfluoro-4-4-dimethylhexane sulfonate and perfluoro-4-4-dimethylhexanoic acid) is being discontinued due to limited interest and a lack of inventory. However, these compounds are identified as minor components in our br-PFOSK/T-PFOS and T-PFOA reference standards respectively. We apologize for any inconvenience this may cause and appreciate your understanding. 

Wellington Reporter Extract

 

 

 

Wellington Reporter Footer

 

About Wellington Laboratories

For Over 35 years Wellington Laboratories Inc. has been internationally recognised as a trusted source of high quality reference standard solutions for use in environmental/analytical testing and toxicological research. Wellington Laboratories offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluorinated compounds. Wellington Laboratories also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods or modified in-house methods.

Wellington’s Reference Standards are used mainly in Environmental/analytical testing and toxicological research. Wellington offers an extensive inventory of individual certified reference standards and solution mixtures of native and mass-labelled halogenated organic compounds including polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, polychlorinated biphenyls, halogenated flame retardants and perfluoronated compounds. Wellington also offer a variety of calibration sets and support solutions designed to be used for common regulatory methods of modified in-house methods.

Wellington Laboratories are committed to the distribution of quality products as well as the maintenance of excellent customer service. In fact, in order to provide your customers with the best possible service, Wellington have three ISO certifications (ISO 9001:2008, ISO/IEC 17025:2005, and ISO Guide 34:2009) which cover all aspects of planning, production, testing, distribution, and post-distribution service. These certifications allow Wellington Laboratories to monitor and maintain the highest level of quality and service and also allow their customers to satisfy the requirements of their own ISO certifications.

Wellington’s ISO/IEC 17025:2005 accreditation has been certified by the Canadian Association for Laboratory Accreditation Inc. (CALA) the scope is available for review on the CALA Directory of Accredited Laboratories (http://www.cala.ca).

Similarly, Wellington’s ISO Guide 34:2009 accreditation has been certified by ANSI-ASQ National Accreditation Board (ANAB), the certificate and scope are available on their website (http://anab.org/).

We are able to supply hard copies of any of the ISO certificates for yourself and your customers.

 

Full Range of Wellington Laboratories' Products

CONTACT US   

Tel:        +44 (0) 151 649 4000   

Web:     www.greyhoundchrom.com   

Email:   marketing@greyhoundchrom.com   

FOLLOW US   

Facebook Icon Twitter Icon Instagram Icon LinkedIn Icon    

YOU MAY ALSO BE INTERESTED IN OUR NEWSLETTER   

SIGN UP HERE   

Greyhound Monthly Newsletter   

CATALOGUE DOWNLOADS   

Greyhound Q-Fil catalogue  Greyhound reference standards guide   Trajan GC Supplies catalogue 

 Greyhound Chromatography Q-Range Vials Catalogue Image     Chem Service Catalogue Image  Chem Service Pesticides Catalogue Image

Wellington Laboratories Catalogue Image            PFAS EBook  PFAS Environmental EBook

                Wellington Perfluoroalkyl Compounds

3,6-Dibromo-9H-carbazole Reference Standard | Wellington Laboratories | Greyhound Chromatography

3,6-Dibromo-9H-carbazole Certified Reference Standard

             Dolphins in the Sea   Wellington Laboratories Logo

Halogenated carbazoles have recently been recognised as emerging environmental contaminants. Although there exact source has not been determined, both modern and historic sources (LED manufacturing and halogenated indigo dyes respectively) have been suggested. Since certain halogenated carbazole congeners can be lost during acid silica clean-up, it is very important that reference standards be used to monitor recoveries when processing samples.

Wellington Laboratories are the primary source of Standards for branched isomers, linear perfluoroalkyl carboxylic acids, perfluoroalkane sulfonates, Certified Reference Standards, EPA Method 23, EPA Method 513, EPA Method 1613, EPA Method 1668, EPA Method EPA Method 8280, EPA Method 8290, European Method EN-1948 and World Health/EPA Standards, C13 and Native Dioxins, Furans, PCBs and Brominated Diphenyl Ethers, Brominated Dioxins and Furans, Methylated PCDDs and PCDFs, Fluorinated Compounds.

3,6-Dibromo-9H-carbazole Certified Reference Standards - Buy Online HERE

 

Halogenated Carbazole Certified Reference Standards from Wellington Laboratories - more info HERE

For over 30 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Wellington Laboratories Certified Reference Standards and Materials to Research and Analysis laboratories worldwide.

3-Chloro-9H-carbazole Certified Reference Standard 

        Tree Frog    Wellington Laboratories Logo

 

Wellington Laboratories are the primary source of Standards for EPA Method 23, EPA Method 513, EPA Method 1613, EPA Method 1668, EPA Method 8280, EPA Method 8290, European Method EN-1948 and World Health/EPA Standards, C13 and Native Dioxins, Furans, PCBs and Brominated Diphenyl Ethers, Brominated Dioxins and Furans, Methylated PCDDs and PCDFs, Fluorinated Compounds and more.

CCZ-3 3-Chloro-9H-carbazole  Buy online HERE

For over 30 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Chem Service Certified Reference Standards to Research and Analysis laboratories worldwide.

1,3,6-Tribromo-9H-carbazole Halogenated Carbazole Certified Reference Standard

           Pandas in a Tree     Wellington Laboratories Logo

Wellington Laboratories are the primary source of Standards for branched isomers, linear perfluoroalkyl carboxylic acids, perfluoroalkane sulfonates, Certified Reference Standards, EPA Method 23, EPA Method 513, EPA Method 1613, EPA Method 1668, EPA Method EPA Method 8280, EPA Method 8290, European Method EN-1948 and World Health/EPA Standards, C13 and Native Dioxins, Furans, PCBs and Brominated Diphenyl Ethers, Brominated Dioxins and Furans, Methylated PCDDs and PCDFs, Fluorinated Compounds.

For over 30 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

 

1,3,6-Tribromo-9H-carbazole Halogenated Carbazole Certified Reference Standards - Buy Online HERE

Greyhound Chromatography is pleased to supply Wellington Laboratories Certified Reference Standards and Materials to Research and Analysis laboratories worldwide.

1,3,6,8-Tetrachloro-9H-[13C12]carbazole Certified Reference Standard

  Polar Bear Family     Wellington Laboratories Logo

 

Wellington Laboratories are the primary source of Standards for EPA Methods 23, 513, 1613, 1668, 8280, 8290, European Method EN-1948 and World Health/EPA Standards, C13 and Native Dioxins, Furans, PCBs and Brominated Diphenyl Ethers, Brominated Dioxins and Furans, Methylated PCDDs and PCDFs, Fluorinated Compounds and more.

Wellington Laboratories has been committed to providing high quality reference standards and exceptional customer service since its inception in 1980. An acute awareness of trends in the environmental community and a dedication to research and development has allowed us to synthesize a variety of emerging contaminants over the years. A few examples of The Science Behind Wellington are provided below for your review.

Halogenated carbazoles have recently been recognized as emerging environmental contaminants, but
research groups have been reporting their existence in environmental samples since 1984. There may be
multiple sources of these pollutants, but it has recently been suggested that they were produced as by-
products during the synthesis of halogenated indigo dyes. Since unsubstituted carbazoles are known to be
lost during acid silica clean-up, it is very important that reference standards be used when processing
samples.


In order to aid researchers in the detection of halogenated carbazoles in environmental samples, 
Wellington has produced certified reference standards of selected halogenated carbazoles

CCZ-3
CCZ-36
CCZ-1368
CCZ-2367
BCZ-3
BCZ-27
BCZ-136
BCZ-1368
1-B-36-CCZ
18-B-36-CCZ


as well as two certified reference standards of mass-labelled chlorinated carbazoles (MCCZ-36 and MCCZ-1368).

For over 40 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Wellington Laboratories' Certifieded Reference Standards and materials to Research and Analysis laboratories worldwide.

Native 3,6-Dichloro-9H-[13C12]carbazole
Native & Mass-Labelled Halogenated Carbazoles

 

         Adult Polar Bear  Wellington Laboratories Logo

 

Halogenated carbazoles have recently been recognised as emerging environmental contaminants. Although there exact source has not been determined, both modern and historic sources (LED manufacturing and halogenated indigo dyes respectively) have been suggested. Since certain halogenated carbazole congeners can be lost during acid silica clean-up, it is very important that reference standards be used to monitor recoveries when processing samples.

Wellington Laboratories are the primary source of Standards for EPA Methods 23, 513, 1613, 1668, 8280, 8290, European Method EN-1948 and World Health/EPA Standards, C13 and Native Dioxins, Furans, PCBs and Brominated Diphenyl Ethers, Brominated Dioxins and Furans, Methylated PCDDs and PCDFs, Fluorinated Compounds and more.

MCCZ-36: 3,6-Dichloro-9H-[13C12]carbazole

Other Native and Mass-Labelled Halogenated Carbazoles available from Wellington Laboratories:

 


MCCZ-1368: 1,3,6,8-Tetrachloro-9H-[13C12]carbazole

CCZ-3: 3-Chloro-9H-carbazole
CCZ-36: 3,6-Dichloro-9H-carbazole
CCZ-1368: 1,3,6,8-Tetrachloro-9H-carbazole
CCZ-2367: 2,3,6,7-Tetrachloro-9H-carbazole

BCZ-3: 3-Bromo-9H-carbazole
BCZ-27: 2,7-Dibromo-9H-carbazole
BCZ-136: 1,3,6-Tribromo-9H-carbazole
BCZ-1368: 1,3,6,8-Tetrabromo-9H-carbazole

1-B-36-CCZ: 1-Bromo-3,6-Dichloro-9H-carbazole
18-B-36-CCZ: 1,8-Dibromo-3,6-Dichloro-9H-carbazol

 

Halogenated carbazoles have recently been detected in soil and water samples, but their environmental effects and fate are unknown. Eighty-four soil samples obtained from a site with no recorded history of pollution were used to assess the persistence and dioxin-like toxicity of carbazole and chlorocarbazoles in soil under controlled conditions for 15 months. Soil samples were divided into two temperature conditions, 15 and 20 °C, both under fluctuating soil moisture conditions comprising 19 and 44 drying-rewetting cycles, respectively. This was characterized by natural water loss by evaporation and rewetting to -15 kPa. Accelerated solvent extraction (ASE) and cleanup were performed after incubation. Identification and quantification were done using high-resolution gas chromatogram/mass spectrometer (HRGC/MS), while dioxin-like toxicity was determined by ethoxyresorufin-O-deethylase (EROD) induction in H4IIA rat hepatoma cells assay and multidimensional quantitative structure-activity relationships (mQSAR) modelling. Carbazole, 3-chlorocarbazole and 3,6-dichlorocarbazole were detected including trichlorocarbazole not previously reported in soils. Carbazole and 3-chlorocarbazole showed significant dissipation at 15 °C but not at 20 °C incubating conditions indicating that low temperature could be suitable for dissipation of carbazole and chlorocarbazoles. 3,6-Dichlorocarbazole was resistant at both conditions. Trichlorocarbazole however exhibited a tendency to increase in concentration with time. 3-Chlorocarbazole, 3,6-dibromocarbazole and selected soil extracts exhibited EROD activity. Dioxin-like toxicity did not decrease significantly with time, whereas the sum chlorocarbazole toxic equivalence concentrations (∑TEQ) did not contribute significantly to the soil assay dioxin-like toxicity equivalent concentrations (TCDD-EQ). Carbazole and chlorocarbazoles are persistent with the latter also toxic in natural conditions.

Affiliation
Courtesy of: German Research Center for Environmental Health, Molecular EXposomics (MEX), Helmholtz Zentrum München, Ingolstädter Landstraße 1, 85764, Neuherberg, Germany.

For over 30 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Wellington Laboratories' Certified Reference Standards and Materials  to Research and Analysis laboratories worldwide.

  Download the current Wellington Laboratories Catalogue HERE

1,3,6,8-Tetrabromo-9H-carbazole Certified Reference Standard

 

Polar Bear Cub         Wellington Laboratories Logo

Halogenated carbazoles have recently been recognised as emerging environmental contaminants. Although there exact source has not been determined, both modern and historic sources (LED manufacturing and halogenated indigo dyes respectively) have been suggested. Since certain halogenated carbazole congeners can be lost during acid silica clean-up, it is very important that reference standards be used to monitor recoveries when processing samples.

 1,3,6,8-Tetrabromo-9H-carbazole Certified Reference Standard - Buy online HERE

 For over 38 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

 Greyhound Chromatography is pleased to supply Wellington Laboratories Certified Reference Standards and Materials to Research and Analysis laboratories worldwide.

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 Agilent Certified, pre-assembled screw top vial pack, 2 mL, clear vials, PTFE/red rubber septa, blue caps

   Agilent Technologies Logo

 Genuine Agilent Part: 5182-0553

 Description

Agilent Certified, pre-assembled screw top vial pack, 2 mL, clear vials, PTFE/red rubber septa, blue caps, 100/pk

   Agilent Flash lamp for G1321A

  Genuine Agilent Part: 2140-0600

 Description

Agilent Flash lamp for G1321A fluorescence detector

 Agilent Snap top vial, 2 mL, amber with write-on spot

 

                                  Agilent Snap top vial, 2 mL, amber with write-on spot

 Genuine Agilent Part: 5182-0545

 Description

 Agilent Snap top vial, 2 mL, amber with write-on spot, 100/pk

   View the full range of Greyhound Syringe Filters 

 Regenerated Cellulose Syringe Filters

 Q-Fil Certified Syringe Filters

 Q-Fil Certified Syringe Filters set the new Quality standard for today’s laboratory syringe filters Manufactured from the highest quality medical grade high density polypropylene, Q-Fil Certified Syringe Filters provide excellent chemical compatibility with acids, alcohols, bases, ethers, glycols, ketones and oils, with maximum operating temperatures of 135°C.

 Every colour-coded filter is printed with the individual batch number, details of the membrane material and its pore size, on the outside rim of the filter, making them unique for traceability, GLPs and validation purposes.

 BUY HERE

 Colour coded Syringe Filters

 Why filter your samples for HPLC?

 • To protect the HPLC column, the column inlet frits and capillary columns against blockage (plugging) caused by particulate matter in the sample

• To protect injection valves from damage caused by scratching and wear of the valves internal components, caused by harmful particulate matter in the unfiltered sample, thereby reducing instrument downtime.

   About our Quality Control procedures

 • Every batch of filters is tested by an independent laboratory to ISO 17025 quality procedures

 • Every individual Q-Fil Certified Syringe Filter is visually inspected to ensure it meets our manufacturing and quality control specifications

• Samples of all our syringe filters and their respective raw technical data are stored for a period of 5 years from the date of manufacture for future reference
• Each batch of filters is tested prior to release for
- External Dimensions
- Bubble Point
- Burst Pressure
- Filter Integrity
- Water Flow Rate
- UV Extractables and compliance with all technical procedures

   Why use Greyhound Q-Fil Certified Syringe Filters?

 • Q-Fil Certified Syringe Filters are manufactured in compliance with ISO 9001:2000 quality procedures

 • Every box is supplied with a Certificate of Analysis and Conformance to guarantee its batch to batch quality and performance

• The unique encapsulating process developed for these filters, forces the sample to pass only through the membrane, thus avoiding the possibility of leaks or contamination
• Available in the most popular sizes, porosities and membrane types
• Excellent resistance to all routinely used HPLC solvents
• Filter housings are manufactured from high density medical grade polypropylene
• Extremely low level of extractables for highly sensitive work
• Luer connections fully comply with ISO 594-1
• Filters are available with standard and ‘SlimTip’ sized outlets

   Selecting the right Q-Fil Certified Syringe Filter

 • Choose the size of filter based on the volume of sample to be filtered

 • Choose the filters porosity based on the size of the potential particulates in the sample. It is important to be aware that the finer the porosity of the membrane the greater the pressure will be required to pass the sample through the filter. A sample containing large quantities of particulates is best filtered using a filter with a built-in glass fibre pre-filter

• Choose the type of membrane based on the solvent being filtered.

 

Filter Sizes

 All our filters have female Luer Lock inlets and are available in three diameters -

 25mm Diameter

Designed for large sample volumes or solvent filtration
Wide cross sectional area 3.55cm2
Maximum filtration volume >10ml
Maximum operating pressure 550 Kpa

 13mm Diameter

Suitable for most applications
Filtration area of 0.95cm2
Maximum filtration volume 1 to 10ml Maximum operating pressure 750 Kpa Now available with ‘SlimTip’ (ST) outlet

 4mm Diameter

Suitable for most applications Ideal for small samples <1ml Pore sizes of 0.20µm and 0.45µm
SlimTip Filters (ST)
13mm diameter syringe filters are now available with the new ‘SlimTip’ outlet for direct filling of microvials.

   Pore Sizes

 Q-Fil Certified Syringe Filters are available in 0.20µm and 0.45µm pore sizes. The 0.20µm filters remove the smallest particulates whilst the 0.45µm filters are designed to remove particulates which would be detrimental to most analytical columns.

 Pre-filters (page 6) have a glass microfibre membrane which is chemically inert and resists most solvents. Q-Fil glass microfibre pre-filters are recommended for removing large particulates from the sample and are ideal for dissolution tests.

 Glass microfibre membranes are also available mounted before the microporous filter membrane in the polypropylene housing. The glass pre-filter removes the larger particulates and prevents premature clogging of the filter.

  

CONTACT US   

Tel:        +44 (0) 151 649 4000   

Web:     www.greyhoundchrom.com   

Email:   marketing@greyhoundchrom.com   

FOLLOW US   

Facebook Icon Twitter Icon Instagram Icon LinkedIn Icon    

YOU MAY ALSO BE INTERESTED IN OUR NEWSLETTER   

SIGN UP HERE   

Greyhound Monthly Newsletter   

CATALOGUE DOWNLOADS   

Greyhound Q-Fil catalogue  Greyhound reference standards guide   Trajan GC Supplies catalogue 

 Greyhound Chromatography Q-Range Vials Catalogue Image     Chem Service Catalogue Image  Chem Service Pesticides Catalogue Image

Wellington Laboratories Catalogue Image            PFAS EBook  PFAS Environmental EBook

                Wellington Perfluoroalkyl Compounds

 

 

Pfas Native Perfluoroalkylsulfonates | Wellington Laboratories Reference Standards | Greyhound Chromatography
Native Perfluoroalkylsulfonates (PFASs) Supplied by Greyhound Chromatography Manufactured by Wellington Laboratories.
NATIVE and MASS-LABELLED HALOGENATED CARBAZOLES | Wellington Laboratories | Greyhound Chromatography
New Products: NATIVE/MASS-LABELLED HALOGENATED CARBAZOLES
3,6-Dichloro-9H-carbazole Certified Reference Standard | Wellington Laboratories | Greyhound Chromatography
3,6-Dichloro-9H-carbazole Certified Reference Standard | Greyhound Chromatography
1,3,6-Tribromo-9H-carbazole Halogenated Carbazole Reference Standard | Wellington Laboratories | Greyhound Chromatography
1,3,6-Tribromo-9H-carbazole Halogenated Carbazole Certified Reference Standard | Greyhound Chromatography
2,2’,3,3’,4,5,5’,6,6’-Nonabromo-4’-chlorodiphenyl ether (4PC-BDE-208) Analytical Reference Standard | Wellington Laboratories | Greyhound Chromatography
2,2’,3,3’,4,5,5’,6,6’-Nonabromo-4’-chlorodiphenyl ether (4PC-BDE-208) Certified Analytical Reference Standard Greyhound Chromatography
2,7-Dibromo-9H-carbazole Certified Reference Standard | Wellington Laboratories | Greyhound Chromatography

2,7-Dibromo-9H-carbazole Certified Reference Standard

   Group on Baby Penguins   Wellington Laboratories Logo

Halogenated carbazoles have recently been recognised as emerging environmental contaminants. Although there exact source has not been determined, both modern and historic sources (LED manufacturing and halogenated indigo dyes respectively) have been suggested. Since certain halogenated carbazole congeners can be lost during acid silica clean-up, it is very important that reference standards be used to monitor recoveries when processing samples.

2,7-Dibromo-9H-carbazole Certified Reference Standard - Buy Online HERE

For over 40 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Wellington Laboratories Certified Reference Standards and Materials to Research and Analysis laboratories worldwide.

Q-Fil Certified Syringe Filters

Q-Fil Certified Syringe Filters set the new Quality standard for today’s laboratory syringe filters Manufactured from the highest quality medical grade high density polypropylene, Q-Fil Certified Syringe Filters provide excellent chemical compatibility with acids, alcohols, bases, ethers, glycols, ketones and oils, with maximum operating temperatures of 135°C.

Every colour-coded filter is printed with the individual batch number, details of the membrane material and its pore size, on the outside rim of the filter, making them unique for traceability, GLPs and validation purposes.

BUY HERE

Colour coded Syringe Filters

Why filter your samples for HPLC?

• To protect the HPLC column, the column inlet frits and capillary columns against blockage (plugging) caused by particulate matter in the sample
• To protect injection valves from damage caused by scratching and wear of the valves internal components, caused by harmful particulate matter in the unfiltered sample, thereby reducing instrument downtime.

 

About our Quality Control procedures

• Every batch of filters is tested by an independent laboratory to ISO 17025 quality procedures

• Every individual Q-Fil Certified Syringe Filter is visually inspected to ensure it meets our manufacturing and quality control specifications
• Samples of all our syringe filters and their respective raw technical data are stored for a period of 5 years from the date of manufacture for future reference
• Each batch of filters is tested prior to release for
- External Dimensions
- Bubble Point
- Burst Pressure
- Filter Integrity
- Water Flow Rate
- UV Extractables and compliance with all technical procedures

 

Why use Greyhound Q-Fil Certified Syringe Filters?

• Q-Fil Certified Syringe Filters are manufactured in compliance with ISO 9001:2000 quality procedures

• Every box is supplied with a Certificate of Analysis and Conformance to guarantee its batch to batch quality and performance
• The unique encapsulating process developed for these filters, forces the sample to pass only through the membrane, thus avoiding the possibility of leaks or contamination
• Available in the most popular sizes, porosities and membrane types
• Excellent resistance to all routinely used HPLC solvents
• Filter housings are manufactured from high density medical grade polypropylene
• Extremely low level of extractables for highly sensitive work
• Luer connections fully comply with ISO 594-1
• Filters are available with standard and ‘SlimTip’ sized outlets

 

Selecting the right Q-Fil Certified Syringe Filter

• Choose the size of filter based on the volume of sample to be filtered

• Choose the filters porosity based on the size of the potential particulates in the sample. It is important to be aware that the finer the porosity of the membrane the greater the pressure will be required to pass the sample through the filter. A sample containing large quantities of particulates is best filtered using a filter with a built-in glass fibre pre-filter
• Choose the type of membrane based on the solvent being filtered.


Filter Sizes


All our filters have female Luer Lock inlets and are available in three diameters -

25mm Diameter
Designed for large sample volumes or solvent filtration
Wide cross sectional area 3.55cm2
Maximum filtration volume >10ml
Maximum operating pressure 550 Kpa

13mm Diameter
Suitable for most applications
Filtration area of 0.95cm2
Maximum filtration volume 1 to 10ml Maximum operating pressure 750 Kpa Now available with ‘SlimTip’ (ST) outlet

4mm Diameter
Suitable for most applications Ideal for small samples <1ml Pore sizes of 0.20µm and 0.45µm
SlimTip Filters (ST)
13mm diameter syringe filters are now available with the new ‘SlimTip’ outlet for direct filling of microvials.

 

Pore Sizes


Q-Fil Certified Syringe Filters are available in 0.20µm and 0.45µm pore sizes. The 0.20µm filters remove the smallest particulates whilst the 0.45µm filters are designed to remove particulates which would be detrimental to most analytical columns.


Pre-filters (page 6) have a glass microfibre membrane which is chemically inert and resists most solvents. Q-Fil glass microfibre pre-filters are recommended for removing large particulates from the sample and are ideal for dissolution tests.

Glass microfibre membranes are also available mounted before the microporous filter membrane in the polypropylene housing. The glass pre-filter removes the larger particulates and prevents premature clogging of the filter.

 

CONTACT US  

Tel:        +44 (0) 151 649 4000  

Web:     www.greyhoundchrom.com  

Email:   marketing@greyhoundchrom.com  

FOLLOW US  

Facebook Icon Twitter Icon Instagram Icon LinkedIn Icon   

YOU MAY ALSO BE INTERESTED IN OUR NEWSLETTER  

SIGN UP HERE  

Greyhound Monthly Newsletter  

CATALOGUE DOWNLOADS  

Greyhound Q-Fil catalogue  Greyhound reference standards guide Greyhound Zpure Catalogue  Trajan GC Supplies catalogue

 Greyhound Chromatography Q-Range Vials Catalogue Image  Wellington Laboratories Catalogue 2021-2023   Chem Service Catalogue Image  Chem Service Pesticides Catalogue Image

 

 

2 2,7-Dibromo-9H-(Cas #136630-39) carbazole Certified Reference Standard | Wellington Laboratories | Greyhound Chromatography

2,7-Dibromo-9H-carbazole Certified Reference Standard

  Group on Baby Penguins   Wellington Laboratories Logo

Halogenated carbazoles have recently been recognised as emerging environmental contaminants. Although there exact source has not been determined, both modern and historic sources (LED manufacturing and halogenated indigo dyes respectively) have been suggested. Since certain halogenated carbazole congeners can be lost during acid silica clean-up, it is very important that reference standards be used to monitor recoveries when processing samples.

2,7-Dibromo-9H-carbazole Certified Reference Standard - Buy Online HERE

For over 40 years Greyhound Chromatography has been supplying high quality Chromatography consumables to laboratories around the world. Greyhound’s extensive range covers all areas of Environmental, Petrochemical, Food, Forensics, Chemical and Pharmaceutical analysis. Backed by a highly experienced technical services team, Greyhound is the preferred source amongst today’s analysts.

Greyhound Chromatography is pleased to supply Wellington Laboratories Certified Reference Standards and Materials to Research and Analysis laboratories worldwide.

Q-Fil Certified Syringe Filters

Q-Fil Certified Syringe Filters set the new Quality standard for today’s laboratory syringe filters Manufactured from the highest quality medical grade high density polypropylene, Q-Fil Certified Syringe Filters provide excellent chemical compatibility with acids, alcohols, bases, ethers, glycols, ketones and oils, with maximum operating temperatures of 135°C.

Every colour-coded filter is printed with the individual batch number, details of the membrane material and its pore size, on the outside rim of the filter, making them unique for traceability, GLPs and validation purposes.

BUY HERE

Colour coded Syringe Filters

Why filter your samples for HPLC?

• To protect the HPLC column, the column inlet frits and capillary columns against blockage (plugging) caused by particulate matter in the sample
• To protect injection valves from damage caused by scratching and wear of the valves internal components, caused by harmful particulate matter in the unfiltered sample, thereby reducing instrument downtime.

 

About our Quality Control procedures

• Every batch of filters is tested by an independent laboratory to ISO 17025 quality procedures

• Every individual Q-Fil Certified Syringe Filter is visually inspected to ensure it meets our manufacturing and quality control specifications
• Samples of all our syringe filters and their respective raw technical data are stored for a period of 5 years from the date of manufacture for future reference
• Each batch of filters is tested prior to release for
- External Dimensions
- Bubble Point
- Burst Pressure
- Filter Integrity
- Water Flow Rate
- UV Extractables and compliance with all technical procedures

 

Why use Greyhound Q-Fil Certified Syringe Filters?

• Q-Fil Certified Syringe Filters are manufactured in compliance with ISO 9001:2000 quality procedures

• Every box is supplied with a Certificate of Analysis and Conformance to guarantee its batch to batch quality and performance
• The unique encapsulating process developed for these filters, forces the sample to pass only through the membrane, thus avoiding the possibility of leaks or contamination
• Available in the most popular sizes, porosities and membrane types
• Excellent resistance to all routinely used HPLC solvents
• Filter housings are manufactured from high density medical grade polypropylene
• Extremely low level of extractables for highly sensitive work
• Luer connections fully comply with ISO 594-1
• Filters are available with standard and ‘SlimTip’ sized outlets

 

Selecting the right Q-Fil Certified Syringe Filter

• Choose the size of filter based on the volume of sample to be filtered

• Choose the filters porosity based on the size of the potential particulates in the sample. It is important to be aware that the finer the porosity of the membrane the greater the pressure will be required to pass the sample through the filter. A sample containing large quantities of particulates is best filtered using a filter with a built-in glass fibre pre-filter
• Choose the type of membrane based on the solvent being filtered.


Filter Sizes


All our filters have female Luer Lock inlets and are available in three diameters -

25mm Diameter
Designed for large sample volumes or solvent filtration
Wide cross sectional area 3.55cm2
Maximum filtration volume >10ml
Maximum operating pressure 550 Kpa

13mm Diameter
Suitable for most applications
Filtration area of 0.95cm2
Maximum filtration volume 1 to 10ml Maximum operating pressure 750 Kpa Now available with ‘SlimTip’ (ST) outlet

4mm Diameter
Suitable for most applications Ideal for small samples <1ml Pore sizes of 0.20µm and 0.45µm
SlimTip Filters (ST)
13mm diameter syringe filters are now available with the new ‘SlimTip’ outlet for direct filling of microvials.

 

Pore Sizes


Q-Fil Certified Syringe Filters are available in 0.20µm and 0.45µm pore sizes. The 0.20µm filters remove the smallest particulates whilst the 0.45µm filters are designed to remove particulates which would be detrimental to most analytical columns.


Pre-filters (page 6) have a glass microfibre membrane which is chemically inert and resists most solvents. Q-Fil glass microfibre pre-filters are recommended for removing large particulates from the sample and are ideal for dissolution tests.

Glass microfibre membranes are also available mounted before the microporous filter membrane in the polypropylene housing. The glass pre-filter removes the larger particulates and prevents premature clogging of the filter.

Cas #136630-39

CONTACT US  

Tel:        +44 (0) 151 649 4000  

Web:     www.greyhoundchrom.com  

Email:   marketing@greyhoundchrom.com  

FOLLOW US  

Facebook Icon Twitter Icon Instagram Icon LinkedIn Icon   

YOU MAY ALSO BE INTERESTED IN OUR NEWSLETTER  

SIGN UP HERE  

Greyhound Monthly Newsletter  

CATALOGUE DOWNLOADS  

Greyhound Q-Fil catalogue  Greyhound reference standards guide Greyhound Zpure Catalogue  Trajan GC Supplies catalogue

 Greyhound Chromatography Q-Range Vials Catalogue Image  Wellington Laboratories Catalogue 2021-2023   Chem Service Catalogue Image  Chem Service Pesticides Catalogue Image