Arsenic (As)

2,5-Dimethylbenzaldehyde-DNPH, 100µg/ml in AcN, 1ml

Benzo[k]fluoranthene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 93952-01-3

Octachloronaphthalene, 1.2ml x 50ug/ml, nonane