Credit: MARTYN F. CHILLMAID/SCIENCE PHOTO LIBRARY

Caption: Test for sulfate ions in a solution. A few drops of nitric acid are added to the test solution, which is then shaken. After this, barium chloride will be added. If a white precipitate forms, the sample contains sulfate ions. This is due to the formation of the insoluble barium sulfate, which precipitates instantly. See clips K004 2737-9 for all the stages in this test.

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Keywords: acidification, acidifying, add, adding, barium, chemical, chemistry, chloride, demonstrating, demonstration, drop, dropping, education, educational, ion, ions, nitric acid, precipitate, precipitation, reacting, reaction, solution, solutions, sulfate, sulphate, test, test tube, testing

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Test for sulfate ions

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