Question

write the procedure for preparation of the solution of purified water for test of sulphate impurities​

Answer 1

Answer:

Principle:

Limit test of sulphate is based on the reaction of soluble sulphate with barium chloride in presence of dilute hydrochloric acid to form barium sulphate which appears as solid particles (turbidity) in the solution.

Explanation:

Reasons:

Hydrochloric acid helps to make solution acidic.

Potassium sulphate is used to increase the sensitivity of the test by giving ionic concentration in the reagent

Alcohol helps to prevent super saturation

Answer 2

Answer:

Explanation:

Write the procedure for preparation of test tube solution of purified water for test of sulfate impurities