Biolab offers a broad range of highly pure GC reference standards for various GC applications. The majority of our GC reference standards are completely synthetic and typically over 99.9% pure. The purity and the specific impurity profile of each standard is determined by GC-FID and GC-MS and reported in the certificate of analysis of each manufactured lot .Assay is determined against traceable, certified international standards. Partial list of available GC reference standards : ♦ Acetic acid ♦ Toluene ♦ Acetone ♦ Ethylacetate ♦ Acetonitrile ♦ Dimethylsulfoxide ♦ Ethanol ♦ 1,2 Dichloroethane ♦ n-Hexane 99%+ ♦ Cyclohexane ♦ Methanol ♦ n-Heptane 99%+ ♦2-Propanol ♦ Butyl acetate ♦Tetrahydrofuran ♦ Iso-Octane 99%+ |