How to differentiate chemically between potassium chloride and potassium nitrate using a reagent
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A process for obtaining potassium nitrate from potassium chloride and nitric acid according to claim 1, wherein the reagents are used in a proportion of 0.9 to 1 mole ofnitric acid per mole of potassium chloride.
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Sodium carbonate gives a white precipitate of magnesium carbonate on mixing with magnesium sulphate solution. Sodium bicarbonate does form a precipitate with MgSO4 solution as magnesium bicarbonate is soluble in water. Instead of MgSO4 solution, a solution of MgCl2 or CaCl2 can also be used.
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