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・ Ammonite Order
・ Ammonitella
・ Ammonites (Book of Mormon)
・ Ammonitida
・ Ammonitina
・ Ammonitoceras
・ Ammonium
・ Ammonium acetate
・ Ammonium adipate
・ Ammonium aluminium sulfate
・ Ammonium arsenate
・ Ammonium azide
・ Ammonium benzoate
・ Ammonium bicarbonate
・ Ammonium bifluoride
Ammonium bisulfate
・ Ammonium bituminosulfonate
・ Ammonium bromide
・ Ammonium carbamate
・ Ammonium carbonate
・ Ammonium cerium(IV) sulfate
・ Ammonium chlorate
・ Ammonium chloride
・ Ammonium chromate
・ Ammonium cyanide
・ Ammonium dichromate
・ Ammonium diethyl dithiophosphate
・ Ammonium dihydrogen phosphate
・ Ammonium dimolybdate
・ Ammonium dinitramide


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Ammonium bisulfate : ウィキペディア英語版
Ammonium bisulfate

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Ammonium bisulfate, also known as ammonium hydrogen sulfate, is a white, crystalline solid with formula (NH4)HSO4. It is the product of the half-neutralization of sulfuric acid by ammonia.
==Production==
It is commonly collected as a byproduct of the "acetone cyanohydrin route" to the commodity chemical methyl methacrylate.〔William Bauer, Jr. "Methacrylic Acid and Derivatives" in Ullmann's Encyclopedia of Industrial Chemistry 2002, Wiley-VCH, Weinheim. .〕
It can also be obtained by hydrolysis of sulfamic acid in aqueous solution, which produces the salt in high purity:
: H3NSO3 + H2O → ()+()
It also arises by the thermal decomposition of ammonium sulfate:
: (NH4)2SO4 → (NH4)HSO4 + NH3

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