1,2,4,6,7-Pentachloronaphthalene,,,,

Ethanol standard in water,1.1g/L,water, 3mL

Diphenylamine-d10

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