Arsenic (As)

2,2'-Dimethylbiphenyl, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-39-0

CONOSTAN Standard S-21, 100 ppm, 100g

2,3-Dichloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene