Freon Standard

BTEX & Naphthalene & Tetrachloroethene

1-Methyl-5-nitro-2-phenylbenzimidazole, neat, Solvent-neat, Unit 10MG, # of units-5, Cas.no. 20648-09-3

1,2-Dibromo-4-(1,2-dibromoethyl)cyclohexane, 100µg/ml in Toluene, 1ml