Bispyribac sodium salt, 100 µg/ml, Methanol, 5ml

Deuterated Internal Standard - PAH Mixture 9 10µg/mL each in toluene, 10x1mL in ampoulles Benzo[a]pyrene-d12 Indenopyrene[1,2,3-cd]pyrene-d12

Atrazine-desethyl, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 6190-65-4

4'-Aminoazobenzene-4-sulphonic acid, 1g