Selenium (Se)

2,3,3',4,4',5,5'-Heptachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 39635-31-9

Herbicide Acids Standard

10% (w/w) Devol.Diesel Fuel in 75 cSt Hydrocarbon Oil, 100ml