EXPERIMENT XXXVI.

Twenty drops of the syrup of violets were added to a glass-full of

water strongly impregnated with fixed air, after the method directed

by Dr. Priestley[ab], but without any variation in the colour of the

violets.

[ab] Directions for impregnating water with fixed air, &c. by Joseph

Priestley, L.L.D.

Experiments and Observations on the Following Subjects 1. On the preparation, calcination, and medicinal uses of Magnesia Alba. 2. On the solvent qualities of calcined Magnesia. 3. On the variety in the solvent powers of quick-lime, when used in different quantities. 4. On various absorbents, as promoting or retarding putrefaction. 5. On the comparative antiseptic powers of vegetable infusions prepared with lime, &c. 6. On the sweetening properties of fixed air. · 第 88 / 93 题