KAl(SO₄)₂·12H₂O - Mohs Hardness: 2. Alum is the common name for this chemical compound, given the nomenclature of potassium aluminum sulfate dodecahydrate. It is commonly used in water purification, leather tanning, dyeing, fireproof textiles, and baking powder.
UT Department of Environmental Sciences
Esmeralda County, NV
The University of Toledo
Digital Initiatives, University of Toledo Libraries
environmental sciences; virtual exhibitions
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