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| Проба Рейнша (Reinsch test a test for the presence esp. of arsenic, antimony, and mercury in which a strip of clean pure copper foil is heated with the test material in acid solution kOzerOg) | |||
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| Проба Рейнша (Reinsch test a test for the presence esp. of arsenic, antimony, and mercury in which a strip of clean pure copper foil is heated with the test material in acid solution kOzerOg) | |||