2,4-DB-methyl ester, 250mg

Pentachloronitrobenzene, 100ug/ml, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 82-68-8

ICP-MS Mix

Chlorthiophos, 100 µg/ml, Ethyl acetate, 5ml