bn:00003162n
Noun Concept
Categories: Double salts, Sulfates, E-number additives, Ammonium compounds, Chemical articles with multiple PubChem CIDs
EN
alum  ammonia alum  ammonium alum  ammonium alum dodecahydrate  ammonium aluminium sulfate
EN
A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum WordNet 3.0
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EN
A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum WordNet 3.0 & Open English WordNet
Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula Al2·12H2O. Wikipedia
An astringent salt, usually occurring in the form of pale crystals, much used in the dyeing and tanning trade and in certain medicines, and now understood to be a double sulphate of potassium and aluminium (K2SO4·Al2(SO4)3·24H2O). Wiktionary