Chlorfenson, 100 µg/ml, Ethyl acetate, 5ml

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

Reagent kit for 100 tests (Free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20mL DPD2, 1 x 20mL DPD3

2,3,4-Tribromodibenzofuran, 1.2ml x 50ug/ml, toluene