pH 12.0 Standard @ 25°C

2,3,3',4,4',5,6-Heptachlorobiphenyl , 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74472-50-7

CWA BTEX

Triazophos, 100 µg/ml, Acetonitrile, 5ml