EXPERIMENT XVII.

The same quantity of galls as in the two former experiments, after

triture in the same degree with four ounces of lime-water, was

separated by filtering through paper. The tincture thus obtained was

highly astringent to the palate, of a deep chocolate colour, and the

residuum was of a lighter brown than number 1. Marked number 3.

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 66 / 93 题