WS (drinking water) Quantitative E.Coli - QC

Naphthalene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1146-65-2

Guanylurea-HCl, 100µg/ml in MeOH, 5ml

Diflubenzuron, 100 µg/ml, Acetonitrile, 5ml