Greyhound Chromatography supplies a large range of pre-prepared and custom made chromatography standards from a number of leading manufacturers, including British Pharmacopoeia (BP), Cerilliant (a Sigma Aldrich Company), Chem Service, Chiron, Cifga, European Pharmacopoeia (EP), Extrasynthese, High Purity Standards, Honeywell (Fluka), HPC, Laradon, NIST, Merck ( Sigma Aldrich, Supelco) , Paragon Scientific, Pfaltz & Bauer, RTC (a Sigma Aldrich Company), United States Pharmacopoeia (USP), Wellington Laboratories.
28 element Initial Check Verification; Solution A in 4% HNO3 Tr HF, Solution B in H2O; 1 year expiry date (Note Solution A and B can be purchased separately)
