Evening Republican, Volume 18, Number 107, Rensselaer, Jasper County, 6 May 1914 — Sources of Boric Acld. [ARTICLE]

Sources of Boric Acld.

Boric acid in considerable quantities is generally recognised as an original constituent in the waters and gases given off with volcanto emanations, In fact, the Tuscan fumaroles in Italy have been an important commercial source of supply of boric add for a long thne. There is abundant evidence of the presence of boric add in volcanic emanations in many parts of ths world.