Is placed in the appendix as a test for sulphuric acid.

Characters And Tests

Occurs in translucent soluble crystals, which have a bitter acrid taste. The solution gives with any soluble sulphate a heavy white precipitate, unaffected by nitric acid.

Carbonate of Baryta is a white insoluble powder.

Absorption And Elimination

We have no very accurate observations on these points, but Orfila detected the chloride of barium in the liver, spleen, and kidneys of animals poisoned by it (Annales d'Hygiene, ii., 1842).

Physiological Action (Internal)