Question

role of barium sulphate reagents in limit of sulphate?​

Answer 1

Answer:

The limit test for sulphate is based on the reaction between barium chloride and soluble sulphates in presence of dilute hydrochloric acid. Then the turbidity produced is compared with the standard turbidity . ... Potassium sulphate is used to increase the sensitivity of the test.

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Answer 2

Answer:

Explanation:

Barium sulphate reagent contains barium chloride, sulphate free alcohol and small amount of potassium sulphate. Observation: ... If turbidity produces in sample solution is less than the standard solution, the sample will pass the limit test of sulphate and vice versa.