S A L T S. III

found hurtful.—Whether the mtoxiczting/pirituouscntißptks, brought into fafhion about the rniddleof this Century, or the vinous, which fince fuc-ceeded, have contributed more to the preferva-tion of mankind than the antifeptics in former ufe,will, perhaps, be doubted by fome.

ACIDUM NITROSUM.

NlTROUS AciD.

Take of purified Nitre, by weight, fixtyounces,Vitriolic Acid, by weight, twen-ty-nine ounces.Mix and diftill.

The fpecific gravity of this is to the weightof diftilled water as 1,550 to 1,000.

REM

K.

This was formerly called Spiritus Nitri Glau-ben. A pound of vitriolic acid is fufficient to expelall the nitrous Acid from about two pounds of ni-tre, not from more ; and, if equal parts of the twobe cmployed, the produce, in either cafe, is m

qualky-