 | Samuel Parkes - 1807 - 382 pages
...heated iron, on which place some gum benzoin in gross powder. The benzu-c acid, in consequence of tht heat, will be separated, and ascend in white fumes,...upon the leaves of the vegetable. This will serve a', an example of SUBLIMATION. 105. Fill a glass tumbler half full of lime water j rhm breathe into... | |
 | James Cutbush - 1813 - 344 pages
...experiment may be made with benzoin by sublimation: Experiment 4. Into a large glass jar, inverted upon a flat brick tile, and containing near its top a branch...beautiful appearance upon the leaves of the vegetable. Experiment 5. If benzoin be boiled with a solution of carbonate of soda, the solution filtered, then... | |
 | Samuel Parkes - 1814 - 584 pages
...introduce a Mat thick piece of heated -iron, on whicb place some gum benzoin in gross powder. The benzole acid, in consequence of the heat, will be separated,...of the flask which contains the salt on the surface of'a bason of boiling water: the heat will soon cause the carbonate of ammonia to rise undecomposed,... | |
 | Samuel Parkes - 1816 - 584 pages
...introduce a flat thick piece of heated irou, on which place some gum benzoin IB gro>» powder. The benzole acid, in consequence of the heat, will be separated, and ascend in while fumes, which will at length condense, and form a most beautiful appearance upon the leaves of... | |
 | Samuel Parkes - 1818 - 616 pages
...for acids, as these restore its ORIGINAL YELLOW. 244. Into a large glass jar, inverted upon a fiat brick tile* and containing near its top a branch of...vegetable. This will serve as an example of SUBLIMATION, 245. Introduce a little carbonate of ammonia into a Florence flask, and place that part of the flask... | |
 | Mrs. Marcet (Jane Haldimand), John Lee Comstock - 1822 - 440 pages
...moistened with water, introduce a flat thick piece of heated iron, on which place some gum henzoin in gross powder. The benzoic acid, in consequence...vegetable. This will serve as an example of Sublimation. 35. Mix a little acetate of lead with an equal portion of sulphate of zinc, both in fine powder ; stir... | |
 | Mrs. Marcet (Jane Haldimand), John Lee Comstock - 1822 - 444 pages
...introduce a flat thick piece of heated iron, on which place some gum benzoin in gross powder. The brnzoic acid, in consequence of the heat, will be separated,...vegetable. This will serve as an example of Sublimation. 35. Mix a little acetate of lead with an equal portion of sulphate of ,zinc, both in fine powder ;... | |
 | Mrs. Marcet (Jane Haldimand), John Lee Comstock - 1822 - 440 pages
...introduce a flat thick piece of heated iron, on which place some gum benzoin in gross powder. The b«ozoic acid, in consequence of the heat, will be separated,...vegetable. This will serve as an example of Sublimation. 35. Mix a little acetate of lead with an equal portion of sulphate of zinc, both in fine powder ; stir... | |
 | Mrs. Marcet (Jane Haldimand), Margaret Bryan - 1828 - 360 pages
...which place some gum henzoin in gross powder. The henzoic acid, in consequence of the heat, will he separated, and ascend in white fumes, which will at length condense, and form a most heautiful appearance upon the leaves of the vegetable. This will serve as ad example of Sublimation.... | |
 | Mrs. Marcet (Jane Haldimand), John Lauris Blake - 1829 - 358 pages
...of the acid, may be easily perceived amongst the materials. 34. Into a large glass jar inverted upon a flat brick tile, and containing near its top a branch...vegetable. This will serve as an example of Sublimation. 35. Mix a little acetate of lead with an equal portion of sulphate of zinc, both in fine powder ; stir... | |
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Into a large glass jar inverted upon a flat brick tile, and containing near its top a branch of fresh rosemary, or any other such shrub, moistened with water, introduce a flat, thick piece of heated iron, on which place some gum benzoin in gross powder.... 
