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Atomistry » Arsenic » Chemical Properties » Hydroxylamine Orthoarsenate | ||
Atomistry » Arsenic » Chemical Properties » Hydroxylamine Orthoarsenate » |
Hydroxylamine Orthoarsenate, (NH2OH)3.H3AsO4
Hydroxylamine Orthoarsenate, (NH2OH)3.H3AsO4, is obtained when aqueous arsenic acid is made alkaline with an excess of sodium carbonate and then treated with hydroxylamine hydrochloride until faintly acid. Microscopic rhombic prisms slowly form, which yield an acid solution in hot water, from which they may be recrystallised. The salt readily reduces ammoniacal silver nitrate and Fehling's solution.
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