Long, on which the scale has already been loosened by the aid of boiling with dilute muriatic acid or a weak solution of caustic soda in water, than it is to clean either the inside or the outside of horizontal tubes more than double the length.
HYDROCHLORIC ACID, also known in commerce as "spirits of salts" and "muriatic acid," a compound of hydrogen and chlorine.
Under the head of "oxidable or acidifiable" substances, the combination of which with oxygen yielded acids, were placed sulphur, phosphorus, carbon, and the muriatic, fluoric and boracic radicles.
Manufacture of Hydrochloric Acid (commercially also known as " muriatic acid ").
It was discovered in 1774 by Scheele, who called it dephlogisticated muriatic acid; about 1785, C. L.