Camphechlor (Toxaphene), 100 µg/ml, Ethyl acetate

Selenium (Se)

n-Octadecane, ?13C: -30.71, 150µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-5, Cas.no. 593-45-3

2,2',3,3'-Tetrachlorobiphenyl ,100 µg/mL,isooctane,1mL,