ICP-MS Tuning Solution #1 EPA 200.8

Heptachlor, 100 µg/ml, Ethyl acetate, 1ml

2,3,4,5-Tetrachloronitrobenzene

2-Methyl-1,4-naphthoquinone, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 58-27-5