Potash-alum Sentence Examples

potash-alum

  • For example, episomorphs of white potash alum and violet chrome alum, of white magnesium sulphate and green nickel sulphate, and of many other pairs of salts, have been obtained.

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  • The presence of sulphuric acid in potash alum was known to the alchemists.

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  • Potash-alum and pitch were calcined together, and the mass was treated with hydrochloric acid; charcoal and water to form a paste were next added, and the whole was dried and ignited in a current of air and steam.

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