Norflurazon-desmethyl, 100 µg/ml, Ethyl acetate,

Florisil Cartr. Qual. Std.,2000µg/ml in HE, 10ml

Lanthanum Nitrate Modifier

Naphtho[2,3-a]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 196-42-9