what is the role of ethanol in sulphate limit test
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Alcohol helps to prevent super-saturation and thus produces a more uniform opalescence/turbidity. Acetic acid helps to make solution acidic and barium sulphate precipitate formed is insoluble which gives turbidity/opalescence.
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Alcohol helps to prevent super-saturation and thus produces a more uniform opalescence/turbidity. Acetic acid helps to make solution acidic and barium sulphate precipitate formed is insoluble which gives turbidity/opalescence.
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