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Potassium Alum
AIK(SO4)2·12H2O 474.39
 AIK(SO4)2 258.21
 Sulfuric acid, aluminum potassium salt (2:1:1), dodecahydrate;
 Aluminum potassium sulfate (1:1:2) dodecahydrate
 [7784-24-9] Anhydrous [10043-67-1]

DEFINITION

Potassium Alum contains NLT 99.0% and NMT 100.5% of potassium alum [AlK(SO4)2], calculated on the dried basis.

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