COD Calibration Standard

Methamidophos, 10.0 µg/ml, Ethyl acetate, 10ml

Napropamide, 100 µg/ml, Acetonitrile, 5ml

Chlorinated paraffins (Cl:40%), technical mix, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.