WS (drinking water) Quantitative E.Coli - QC

3,3-Dimethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 562-49-2

Valeraldehyde-DNPH, 100µg/ml in Acetonitrile, 1ml

1-Chloro-4-fluorobenzene