Ammonium selenate


Ammonium selenate is a chemical compound with the chemical formula.

Synthesis

Synthesis is via a reaction of selenic acid with an excess of ammonium hydroxide.
It may also be formed by the effect of an ammonia solution on a solution of selenic acid:

Physical properties

Ammonium selenate forms white crystals of monoclinic system, spatial group C2/m, cell parameters a = 12.152, b = 6.418, c = 7.711, β = 115.5° Z = 4 and density 2.190 Mgm−3.
It is easily soluble in water. Soluble in EtOH and acetone.