Dimethachlor oxalamic acid (OA), certified, 10mg

Nitrobenzene-d5

Reagent kit for 100 tests (pH and free & total chlorine) Contains: 1 x 20 mL DPD1, 1 x 20 mL DPD2, 1 x 20mL DPD3, 1 x 20mL pH3

n-Hydrocarbon Mix (C5-C12)