WS Residual Free Chlorine

4-n-Octylphenol-di-ethoxylate, 1 µg/ml, Acetone,

2-Isopropylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 88-69-7

Pentachlorophenol, 100µg/ml in Acetone, 5ml