1,2-Pentanediol, 1000mg

3,3',4,5,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Bromoxynil, 100µg/mL in Acetonitrile, 1ml

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