 | john forbes m.d. f.r.s .f.g.s - 1841 - Liczba stron: 606
...necessary to advert, b > general way, to a few long-known chemical properties of the familiar substuxt chalk ; for chalk at once forms the bulk of the chemical...be rendered soluble by either of two processes of а very opposite kind. When burned, u ic a kiln, chalk loses weight. If dry and pure, only nine ounces... | |
 | Edward Cresy - 1847 - Liczba stron: 912
...advert to a few chemical properties of the familiar substance chalk, which at once forms the bulk of the impurity that the process will separate from water,...whence the ingredient for effecting the separation is obtained. In water chalk is almost or altogether insoluble ; but it may be rendered soluble by either... | |
 | 1848 - Liczba stron: 1292
...will be necessary to advert, in a general way, to a few long-known chemical properties of the familiar substance, chalk ; for chalk at once forms the bulk...two processes of a very opposite kind. When burned, a in a kiln, chalk loses weight. If dry and pure, only nine ounces will remain out of a pound of sixteen... | |
 | John Mitchell - 1848 - Liczba stron: 500
...properties of the familiar substance — chalk ; for chalk at once forms the bulk, as already mentioned, of the chemical impurity that the process will separate...separation will be obtained. " In water, chalk is altogether, or almost, insoluble ; but it may be rendered soluble by either of two processes of a very... | |
 | George Drysdale Dempsey - 1849 - Liczba stron: 152
...be gathered from the following abridged extract from the specification of his patent : — " Chalk forms the bulk of the chemical impurity that the process...a kiln, chalk loses weight. If dry and pure, only 9 oz. will remain out of 16 oz. ; these nine will be soluble in water, but require 40 gallons for entire... | |
 | 1849 - Liczba stron: 604
...of useful lather. The following lines are extracted from Dr. Clark's "Theory of the Process " :— " In water, chalk is almost or altogether insoluble...processes of a very opposite kind. When burned as in a lime-kiln, chalk loses weight : if dry and pure only 9 ounces will remain out of a pound of 1C ounces.... | |
 | 1849 - Liczba stron: 608
...useful lather. The following lines are extracted from Dr. Clark's "Theory of the Process " : — " In water, chalk is almost or altogether insoluble;...processes of a very opposite kind. When burned as in a lime-kiln, chalk loses weight : if dry and pure only 9 ounces will remain out of a pound of 16 ounces.... | |
 | Chambers W. and R., ltd - 1851 - Liczba stron: 650
...will be necessary to advert, in a general way, to a few long-known chemical properties of the familiar substance chalk; for chalk at once forms the bulk...be rendered soluble by either of two processes of an opposite kind. When burned, as in a kiln, chalk loses weight. If dry and pure, only nine ounces... | |
 | George Drysdale Dempsey - 1854 - Liczba stron: 180
...may be gathered from the following abridged extract from the specification of his patent:—" Chalk forms the bulk of the chemical impurity that the process...insoluble, but it may be rendered soluble by either °f two processes of a very opposite kind. When burned, as in a kiln, chalk loses weight. If dry and... | |
 | Robert Scott Burn - 1872 - Liczba stron: 284
...will be necessary to advert, in a general way, to a few long known chemical properties of the familiar substance, chalk ; for chalk at once forms the bulk...be rendered soluble by either of two processes of an opposite kind. When burned, as in a kiln, chalk loses weight; and, if dry and pure, only nine ounces... | |
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To understand the nature of the process, it will be necessary to advert, in a general way, to a few long-known chemical properties of the familiar substance chalk; for chalk at once forms the bulk of the chemical impurity that the process will separate... 
