BORATE

[Eng., Fr.] Syn. Bo′′ras , L.; Boraxsäure salze , Ger. A salt in which the hydrogen of boracic acid is replaced by a basic radical. The borates may be formed by either digesting the hydrate of the base in a solution of the acid, with the a istance of heat, or from a solution of borax and a soluble salt of the base, by double decomposition. They are all decomposed by the stronger acids. Tests. The borates may be tested by digesting them in a slight exce of oil of vitriol, evaporating the resulting solution to dryne , powdering the residuum, and di olving it in alcohol; the resulting solution po e es the property of burning with a green flame if the sample examined was a borate, or contained a notable quantity of one. See Boracic Acid .