WS (drinking water) Quantitative E.Coli

trans-1,4-Dichloro-2-butene

Potassium (K), 1000µg/ml in 2%-HNO3/Water, 100ml

Decachlorobiphenyl, 100 µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 2051-24-3