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State the use of barium chloride& alcohol in limit test of sulphate. |
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Answer» Answer: HELLO mate Explanation: BARIUM sulphate reagent CONTAINS barium chloride, sulphate – free alcohol and small quantity of potassium sulphate. The inclusion of the small quantity of potassium sulphate in the reagent increases the SENSITIVITY of the test. Alcohol PREVENTS super saturation and more uniform turbidity develops. |
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