EXPERIMENT XVI.

Three drachms of the same galls, and two scruples of quick-lime, were

triturated with four ounces of rain water, as in the last experiment.

The filtered liquor had scarcely any astringency to the taste, and was

of a very pale colour. The residuum was of a deep purple. Marked number

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 65 / 93 题