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Concept information

Término preferido

alum

Tipo

  • Chemical

Definición

  • Information A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization. Common alum is the double sulphate of aluminium and potassium. It is white, transparent, very astringent, and crystallizes easily in octahedrons. The term is extended so as to include other double sulphates similar to alum in formula.

Concepto genérico

En otras lenguas

URI

https://lod.nal.usda.gov/nalt/7263

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