CERTIFIED REFERENCE STANDARDS

Dr. Ehrenstorfer GmbH
	Certified Aflatoxin, Pesticides, PCB, PBB, PAH, US EPA,... Standards
LGC Standards (Clinical and Pharmaceutical)
	Clinical Analysis, Pharmaceutical Reference Substances / Impurities
Greyhound Chromatography & Allied Chemicals
	Vials, Caps, Chromatography Supplies, Calibration Gases, Traceable ICP & ICP-MS Standards, GC Capillary Columns and Accessories,...
High-Purity Standards
	ICP, ICP-MS, GFAAS, Flame AAS, IC, Metallo-Organic Standards,...
ChemService
	EPA Method, ASTM Method, UST, Carbon-13 Standards,...
Wellington Labs.
	PCDD / PCDF, Individual PCDDs & PCDFs: Native and Mass-Labelled, PCB Analytical Method Solutions, Individual PCBs: Mass-Labelled, Specialty Solution / Mixtures of PCBs

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