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Blog posts tagged with 'c13 and native dioxins'

Applicability of BDE-175 as an Indicator for Commercial Octabromodiphenyl Ether | Wellington Laboratories | Greyhound Chromatography
The Questionable Applicability of BDE-175 as an Indicator for Commercial Octabromodiphenyl Ether | Certified Reference Standards from Greyhound Chromatography
PCDD/PCDF Analytical Method Solutions EPA Method 1613 Reference Standards | Wellington Laboratories | Greyhound Chromatography
PCDD/PCDF Analytical Method Solutions | EPA Method 1613 | Greyhound Chromatography
Native 3,6-Dichloro-9H-[13C12]carbazole | Wellington Laboratories | Greyhound Chromatography
Native 3,6-Dichloro-9H-[13C12]carbazole | Greyhound Chromatography
BUY Chromatography Consumables UK | Greyhound Chromatography
Greyhound's On-Line shop Open and Ready for Business!
Perfluorinated Reference Standards | Wellington Laboratories | Greyhound Chromatography

Perfluorinated Compounds

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In addition to Wellington's range of certified reference standards for linear perfluoroalkyl carboxylic acids and perfluoroalkane sulfonates, Wellington also offers individual reference standards of some branched isomers.  It is well docuumented that branched and linear perfluorinated compounds can have varying isomer rofiles in biological samples.  Therefore to aid researchers in the analysis of these compounds, Wellington is adding two additiojnal branched perfluoroalkyl reference standards (P355TMHxA and NaP6MHpS to our line of perfluorinated compounds.

Also, to supplement existing inventory of polyflurinated secondary telomer alcohols, we are introducing a 1-perfluoropentyl ethanol (5:2sFTOH) reference standard.

Buy Now Online: NaP6MHpS

Buy Now Online: P355TMHxA

Buy Now Online: 5:2sFTOH 

PFAS and Other Toxic Chemicals in our Drinking Water 

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Images of Drinking Water

For over 30 years the European Union have worked tirelessly to protect the integrity of our drinking water.  EU officials have recently reached a provisional agreement to update the Union's 1998 Drinking Water Directive to tighten up the permissible limits allowed for both PFAS and several other drinking water contaminants, including bisphenol-A, microplastics, lead and chromium.   The at the time of writing the European Parliament and Council are still to formally approve the proposal. 

European drinking water standards currently far exceed the standards set in the United States but this is a changing picture as state by state new instances of contaminants are emerging.  Currently, the U.S. Environmental Protection Agency has only issued a nonenforceable health advisory of 70 ppt for PFOA, formerly used by DuPont to make Teflon, and PFOS, formerly an ingredient in 3M’s Scotchgard. Those compounds are no longer manufactured in the U.S., but they and other PFAS contaminate the drinking water for an estimated 110 million Americans. PFOA, PFOS and some other PFAS chemicals have been linked to cancer, thyroid disease, reproductive and immune system problems, and other health harms.

The european Parliament and the Council of the European Union have released new requirements for the analysis of per- and perfluoroalkyl substances (PFAS) in water intended for human consumption (5813/20).  This amendment to Council Directive 98/83/EC included perfluoroalkanesulfonates that are not commercially available.  In response to this Wellington Labroatories, Canada, is pleased to announce that its chemists have synthesized, purified, characterized and prepared accurate certified reference standards of the required substances: sodium perfluoro-1-undecanesulfonate (L-PFUds) and sodium perfluoro-1-tridecanesulfonate (L-PFTrDS).  Wellington Laboratories have also prepared a native solution/mixture (EU-5813-NSS) that contains all of the PFAS listed in the drinking water directive (5813/20) for your convenience.  This solution/mixture can be used in conjunction with two of Wellington's existing mass-labelled PFAS mixtures to easily prepare a calibration set for quantification. 

Suggested extraction standard mixture :  MPFAC-C-ES

Suggested injection standard mixture:     MPFAC-C-IS

Chemical Structures

Wellington L-PUds Product List

wellington Laboratories Reference standard

Wellington Laboratories Reference Standard

Wellington Laboratories Drinking water Chromatogram

 

 

Wellington Reporter May 2019

Wellington Reporter Discontinued Products | Greyhound Chromatography

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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

 

 

 

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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.

 

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 About The Author

Susan Massie Greyhound Chromatography Image

Susan Massie, Sales & Marketing Director, Greyhound Chromatography and Allied Chemicals Email: sue@greyhoundchrom.com

Susan Massie is the Sales & Marketing Director for Greyhound Chromatography and Allied Chemicals, affectionately known as 'Greyhound' in our scientific community. Greyhound was founded by Susan's husband Paul Massie almost 40 years ago, Susan hasn't been in the business for all of that time but has been involved with Greyhound for over 17 years. Greyhound continues to grow, expanding into new markets and taking on the challenges of our ever changing environment. It's heartwarming to witness the world waking up to the fact that we are damaging our planet on a daily basis. Every action we take has a direct effect on our planet and the world we leave behind for future generations. Susan is passionate about climate change and is happy to work in an industry that can have a direct effect on reducing the impact of our actions on the environment. All of the team at Greyhound take our responsibilities very seriously, the products that we supply are used by the world's leading scientists and chemists as they endeavour to monitor and repair the environment. All is not lost, if we all take responsibility for our actions, from reducing our waste and reusing or recycling our material collateral we can make a difference. The internet is full of useful advice and guidance, Susan is proud to contribute to that wealth of knowledge whenever she can.

Greyhound prides itself on personal service which provides prompt, efficient, cost-effective, safe delivery of all products. Greyhound provides technical advice and distribution of Certified Reference Standards and Materials, Laboratory Consumables, Solvents and Reagents across all scientific disciplines. Greyhound Chromatography offers over 1 Million products from its UK warehouse. The team at Greyhound are proud to support the work of the world's leading scientists and chemists as they challenge the abuse of our planet and try to make a difference to the world we leave behind for our ancestors.

You can view Susan's Linked In Profile here https://www.linkedin.com/in/susan-massie-79ab4121/

Stockholm Convention | Greyhound Chromatography
Find out more about New Listing of Chemicals under Stockholm Convention | Greyhound Chromatography
Solving The Plastic Packaging Problem | Greyhound Environnmental

Solving The Plastic Packaging Problem

Plastic on the beach image

Plastic packaging is one of the worst environmental crises our planet faces today. Many forms of plastic packaging are single-use and difficult to recycle or are not eligible for recycling in many places.

While single-use plastics are falling out of favor in many western countries, some of the world’s largest countries still do not have widespread recycling programs, while their rapid population and economic growth are spurring major consumerism-focused booms.

Fossil fuel companies have invested over $180 Billion since 2010 into new facilities that produce the raw materials from petroleum that are then made into common forms of plastic. The new facilities are set to increase global plastic production by 40% in the next decade, in efforts to create and meet demand in burgeoning markets for fast and cheap goods, even though experts warn that increasing plastic pollution is nearing the risk of “near permanent pollution of the earth.”

As Carol Muffett, president of the US Center for International Environmental Law, noted, “We could be locking in decades of expanded plastics production at precisely the time the world is realising we should use far less of it. Around 99% of the feedstock for plastics is fossil fuels, so we are looking at the same companies, like Exxon and Shell, that have helped create the climate crisis. There is a deep and pervasive relationship between oil and gas companies and plastics.”

The pressure of popular opinion, scientists, and environmental advocacy groups has led to some changes for the better, though. Recent news stories in the United States focused on the plastic straw ban in many states and metropolitan areas, following the plastic grocery bag bans that have generated media attention across the country.

The legislative action has facilitated some progress, but corporations still wield more power when it comes to making swift and lasting change–especially where innovation in packaging design and materials is concerned.

The Threat of Plastics

The threat of plastics

Plastic products threaten the environment in multiple ways. They are created using fossil fuels, which is already a non-renewable resource that is being consumed at an alarming rate in the form of gasoline, plastic products, and other industrial oil-based lubricants. The drilling, transport, and burning of fossil fuels has an enormous negative impact on the environment, in the generation of greenhouse gases and damage to fragile ecosystems where oil is often found.

And plastic products created from petroleum are almost entirely not biodegradable, which means they create the worst form of waste. From soda bottles to plastic wrapping for food to product packaging or even plastic products themselves, our obsession with cheap, disposable products has created a serious environmental crisis.

According to Dell, a brand which is committed to rethinking our packaging mindset, there are more than 5 trillion pieces of plastics in the oceans right now, which is equivalent to 5 grocery bags full of plastic stacked upon every foot of every nation’s coastline around the world.

What’s worse, the vast majority of that debris is less than 5 mm in size–which means it is plenty big to cause problems, and just small enough to create even worse problems–like ending up in the digestive tracts of animals and being dispersed even further through water currents.

Plastics never fully biodegrade, they just continue to break into smaller pieces as they endure the weathering process, which means that plastic goods never “return to dust” as nature intended, but rather remain hard and detrimental for everything they come into contact with.

The Great Pacific Garbage Patch, a massive concentration of plastic debris floating in the Pacific Ocean, is now twice the size of Texas. The size of the garbage patch is staggering and hugely concerning–it can now be seen with the naked eye from outer space–but perhaps worse is the fact that plastic has only existed since the 1950s, which means that amount of waste has accumulated in half a century and does not seem to be breaking down to anything but smaller, more harmful pieces of plastic.

In recent years, supermarkets alone have used over a million tons of plastics annually, packaging things like pre-sliced fruit and cheese; that type of packaging simply cannot be reused or recycled. However, some brands are prioritizing innovation to minimize the use of single-use plastics by making biodegradable plastic alternatives from renewable resources or rethinking the design and style of packing.

Recycling Initiatives to Reduce Single-Use Plastics

In the UK, supermarkets have made a voluntary pledge to switch to entirely recyclable, reusable, or biodegradable packaging by 2025. In this case, public opinion proved far more powerful than legislation, while the shift away from single-use plastics will require innovative new materials and consumer flexibility as grocers determine new alternatives to accepted packaging styles.

Some stores are implementing changed rules that allow customers to bring their own containers in to buy products directly from bulk bins and meat counters, eliminating plastic packaging that is essentially used simply to wrap something as it is transferred from the grocer to the customer’s kitchen. Others are focusing on new materials and packaging styles to make tomorrow’s packaging far more recyclable or biodegradable.

Major cosmetic and household goods conglomerate Unilever has committed to fully joining the so-called ‘circular economy’ (that is, an economy where packaging products can either be recycled into new packaging or composted into earth-friendly materials used in agriculture or similar) by 2025.

It cites statistics like “ just 14% of the plastic packaging used globally makes its way to recycling plants, while 40% ends up in landfill and a third in fragile ecosystems,” and “By 2050, it is estimated there will be more plastic than fish in the world’s oceans” to provide a sense of urgency and purpose to its initiative.

Unilever is one of the major corporations that is committed to demonstrating the viability of not only implementing recyclable plastics in its packing but also in showing major recycling operations that its products are easy and commercially feasible to recycle and repurpose.

Innovative Materials to Replace Plastics

Plastics piled up in a bin

IKEA, another global retail giant, has announced its plans to push mushroom-based packaging as a renewable, eco-friendly alternative to polystyrene. Polystyrene is either difficult or impossible to recycle, depending on surrounding resources, initiatives, and packaging design.

Polystyrene takes literally thousands of years to decompose; new, mushroom-based mycelium packaging can be set in garden soil where it biodegrades and acts as a natural fertilizer within weeks. What’s more, mycelium can be grown nearly infinitely using mushroom spores and minimal energy or resources, thus providing a dramatically lower-energy and more sustainable alternative to producing plastics.

Nestle is another global titan that has prioritized a shift towards sustainable product packaging, noting that it aims to use 100% recyclable or reusable plastic by 2025. Global manufacturers proving viability and providing eco-friendly alternatives to traditional packaging techniques is critical for changing the conversation and quickly making a widespread impact on the types of plastics in the consumer marketplace.

However, until all large and developing nations adopt responsible recycling programs that can ensure these products do not end up in the ocean or other sensitive environments, whether a product can be recycled or not makes little difference.

Conclusion

Manufacturers are making a good-faith effort to provide a meaningful alternative to single-use throwaway goods; it is now up to communities to reliably provide easy and intelligible access to recycling programs that recycle plastics in earth-friendly ways and ensure that no more plastics end up outside of controlled circular economy environments.

CONTACT US   

Tel:        +44 (0) 151 649 4000   

Web:     www.greyhoundchrom.com   

Email:   marketing@greyhoundchrom.com   

FOLLOW US   

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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 

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DNA 'Spelling Mistakes causing dementia'? | Chem Service Reference Standards | Greyhound Chromatography
Can Dementia arise from non-inherited DNA 'Spelling Mistakes'? | Chem Service Reference Standards | Greyhound Chromatography
Bisphenol A Reference Standards | Greyhound Chromatography Laboratory Consumables
Bisphenol A Reference Standards available from Wellington Laboratories
Native and Mass-labelled Organophosphorus Compounds | Greyhound Chromatography
Native and Mass-labelled Organophosphorus Compounds | Wellington Laboratories | Greyhound Chromatography