Volume 1

A treatise on medical and pharmaceutical chymistry, and the materia medica : to which is added, an English translation of the new edition of the pharmacopoeia of the Royal College of Physicians of London, 1788 / by Donald Monro.

  • Monro, Donald, 1727-1802.
Date:
1788
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on medical and pharmaceutical chymistry, and the materia medica : to which is added, an English translation of the new edition of the pharmacopoeia of the Royal College of Physicians of London, 1788 / by Donald Monro. Source: Wellcome Collection.

Provider: This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.

    83/486 (page 51)
    1819, only contained 213xV pure acid. As both thefe gentlemen's experiments were made with tartarus vitriolatus, to deter- mine the real quantity of acid it contained, Mr. Kirwan accounts for the difference of their calculationsfromMonf.Homberghav- ing made no allowance for the water which the vitriolated tartar took up; imagining that the whole additional weight which the vegetable alkali acquired by being faturated with the vitriolic acid, and converted into a dry neutral fait, was pure acid; and from the fait of tartar they ufed having different degrees of exficcation. By Mr. Kirwan's experiments, 100 grains of dry tartarus vitriolatus contained 66-tVo grains of fait of tartar, 28-fVo- grains of pure vitriolic acid, and 4AV grains of water. 2. The vitriolic acid mixed with unctuous oils, fuch as thofe of almonds, or of olives, &c. and even with the effential oils, imme- diately blackens them, and renders them more folid. The mixture with the unc- tuous or more earthy oils, by keeping, acquires confidence and properties ap- proaching to thofe of a bitumen; with the E 2 lighter