Arsenic (As)

Aldrin, 100 µg/ml, Acetonitrile, 1ml

Perfluorotridecanoic acid, 50µg/mL in MeOH, 1mL

5-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-14-1