Sulphate LR / HR barium chloride method reagent kit

Sulphate LR / HR barium chloride method reagent kit

Sulphate LR / HR, barium chloride method, Reagent kit for 200 tests (SO₄^2-

During testing, when colour change is achieved, under careful conditions – usually using a burette – the reagent is added, drop by drop, until the solution turns to the colour required. The user will then count how many drops of reagent were used to achieve complete colour change. The number of drops used will determine the chemical concentration and results can be found in the manual included.