SAE 40Motor Oil

ISO 9377-2MOD Extraction Solvent Stock Solution I 20ul of n-Heptane and 20mg of n-Tetracontane solved in 1000ml n-Pentane

Crotoxyphos, 10 µg/ml, Isooctane, 1ml

Camphechlor (Toxaphene), 100 µg/ml, Ethyl acetate