Atomistry » Barium » Chemical Properties » Barium Selenate
Atomistry »
  Barium »
    Chemical Properties »
      Barium Selenate »

Barium Selenate, BaSeO4

Barium Selenate, BaSeO4, is obtained by precipitating a solution of a barium salt with selenic acid or an alkali selenate, or by fusion of an alkali selenate with a mixture of sodium and barium chlorides. By the latter method orthorhombic prisms, isomorphous with barium sulphate, and of density 4.75, are formed. They are usually colourless, but may have a sky-blue tint, and the coloured crystals show pleochroism.

The precipitated salt has a density of 4.67 at 22° C. It adsorbs foreign salts in its formation even more readily than barium sulphate, making it difficult to determine selenic acid by barium. It is more soluble in water than barium sulphate, a litre of the solution saturated at 25° C. containing 82.49 mgm. of barium selenate. When strongly heated it is completely converted into barium selenite. Reduction to selenite, accompanied by the evolution of chlorine, takes place when the salt is boiled with hydrochloric acid.

Last articles

Xe in 6AYK
Xe in 6QII
Xe in 6ASM
Xe in 5NSW
Xe in 6FY9
Xe in 5O1K
Xe in 5O27
Xe in 5M69
Xe in 5KPU
Xe in 5I63
© Copyright 2008-2020 by atomistry.com
Home   |    Site Map   |    Copyright   |    Contact us   |    Privacy