ICP-MS Low Check Mix

Propetamphos

2,2',3,4',5,5',6-Heptachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 52663-68-0

2,3,4,5-Tetrachlorophenol acetate, 10.0 µg/ml, Is