Total Residual Free Chlorine (Cl)

Malaoxon, 100 µg/ml, Acetonitrile, 5ml

Trimethylbenzene Standard

Propetamphos, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 31218-83-4