Traditional Culture Encyclopedia - Traditional customs - Research and development of heavy metal ion detection methods in water
Research and development of heavy metal ion detection methods in water
Barium ion identification: take a sample, add dilute sulfuric acid, filter to get white precipitate. Add dilute nitric acid, the precipitate does not disappear.
Silver ion identification: take a sample, add dilute hydrochloric acid, filter to get white precipitate. Add dilute nitric acid, the precipitate does not disappear.
Copper ion identification: take a sample, add hydrosulfuric acid, filter to get black precipitate.
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