2,4-DB-methyl ester, 250mg

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

Anilazine, 100 µg/ml, Acetonitrile, 5ml

CLP - Semi-Volatile Base/Neutral Standard