Selenium (Se)

2,2',3,4,4',5,6,6'-Octachlorobiphenyl, 100 µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74472-52-9

Bisphenol A bis(diphenyl)phosphate, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 5945-33-5

Nickel (Ni)