Ammonium Selenate
Title: Ammonium Selenate
CAS Registry Number: 7783-21-3
Molecular Formula: H8N2O4Se
Molecular Weight: 179.03
Percent Composition: H 4.50%, N 15.65%, O 35.75%, Se 44.10%
Literature References: Prepd by treating a soln of selenic acid with ammonia: Retgers, Z. Phys. Chem. 8, 36 (1891); King, J. Phys. Chem. 41, 797 (1937). Crystal structure: Gatlow, Acta Crystallogr. 15, 419 (1962).
Properties: Monoclinic crystals. d420 2.194. Decomposed by heat. 117 parts dissolve in 100 parts water at 7°, 197 parts in 100 parts at 160°; sol in glacial acetic acid. Insol in alcohol, acetone, ammonia.
Density: d420 2.194

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