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化學配方數據庫
配方類型: MISCELLANEOUS
配方說明: Test for Water in Gasoline
配方組成:
配制方法: Heat copper sulfate on a metal plate until color changes from a deep blue to a very light blue. Put in a tightly closed bottle. To use put a little of this in gasoline, to be tested. If the copper sulfate turns deep blue then water is present.

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