Lignoceric acid, 100 µg/ml, Acetonitrile, 1ml

Chlorinated Pesticide Standard

17ß(H),21ß(H)-(22RS)-Bishomohopane , neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 54311-28-5

Surrogate Mix ISO 27065 and ISO 18889, , , 100ml