Description
Aluminum sulfate is salt of white color with gray, blue or pink shade, at usual conditions exists in the form of Al2(SO4) 3·18H2O crystalline hydrate— colourless crystals. When heating loses water without melting, when calcinating breaks up to Al2O3and SO3. It is well dissolved in water. Technical aluminum sulfate it is possible to receive, sulphuric acid обрабатывая bauxite or clay , and straight product — dissolving Al(OH)3 in the hot concentrated H2SO4 .
Aluminum sulfate is applied as coagulant to water treatment of economic and drinking and industrial function and to use in paper, textile, tanning and other industries.
It is used as food additive of E - 520.
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Aluminum sulfate