Chlorfenvinphos, 100 µg/ml, Cyclohexane, 1ml

Anions Solution A

2,2',3,3',4,4',5-Heptachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane

Sodium 2,2'-methylene-bis-(2,4-di-tert-butylphenyl