ENAlum
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4 revisions | Fudgy at Mar 30, 2022 07:25 PM | Revision changes |
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AlumHydrated potassium aluminum sulfate (KAl(SO4)2·12 H2O). It occurs naturally when an argillaceous rock, commonly a shale, containing marcasite or pyrite which, as it decomposes, forms sulfuric acid that attacks the shale and produces alum. Often used medically as a styptic. | AllumHydrated potassium aluminum sulfate (KAl(SO4)2·12 H2O). It occurs naturally when an argillaceous rock, commonly a shale, containing marcasite or pyrite which, as it decomposes, forms sulfuric acid that attacks the shale and produces alum. Often used medically as a styptic. |