Sentence Examples with the word phosphorous acid

With water it gives sulphur, sulphuretted hydrogen, hydrobromic, phosphorous and phosphoric acids, the sulphur and phosphorous acid being produced by the interaction of the previously formed sulphuretted hydrogen and phosphoric acid.

Both phosphoric and phosphorous acids became known, although imperfectly, towards the end of the 18th century; phosphorous acid was first obtained pure by Davy in 1812, while pure phosphorous oxide, the anhydride of phosphorous acid, remained unknown until T.

Soc. chim., 99 (3), 21, p. 926; Matignon, Comptes rendus, 1900, 130, p. 1391); and by the reduction of phosphorous acid with nascent hydrogen.