 | Henry Enfield Roscoe - 1870 - 514 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame; but if they are attacked by hydrochloric acid, the reaction may be easily obtained as follows : — A few milligrammes of finely powdered substance are brought on to the moistened flat... | |
 | Henry E. Roscoe - 1869 - 372 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame ; but if they are attacked by hydrochloric acid, the reaction may be easily obtained as follows: — A few milligrammes of finely powdered substance are brought on to the moistened flat... | |
 | sir Henry Enfield Roscoe - 1870 - 452 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame; but if they are attacked by hydrochloric acid, the reaction may be easily obtained as follows: — A few milligrammes of finely powdered substance are brought on to the moistened flat... | |
 | Henry Enfield Roscoe - 1873 - 542 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame; but if they are attacked by hydrochloric acid, the reaction may be easily attained as follows:—A few milligrammes of finely powdered substance are brought on to the moistened... | |
 | Henry Enfield Roscoe - 1873 - 558 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame ; but if they are attacked by hydrochloric acid, the reaction may be easily attained as follows: — A few milligrammes of finely powdered substance are brought on to the moistened... | |
 | sir Henry Enfield Roscoe - 1873 - 550 pages
...visible after the acid has been expelled. Compounds of calcium with the non-volatile acid remain inactive in the flame ; but if they are attacked by hydrochloric acid, the reaction may be easily attained as follows: — A few milligrammes of finely powdered substance are brought on to the moistened... | |
 | Pierre Prevost, Balfour Stewart, Gustav Kirchhoff, Robert Bunsen - 1901 - 156 pages
...of strontium under the same conditions. It follows from an examination made in this way that TusWff of a milligram of calcium chloride can be detected...reaction may be easily obtained in the following way: we introduce a few milligrams, or perhaps only a few tenths of a milligram, of the finely pulverized... | |
 | Pierre Prevost, Balfour Stewart, Gustav Kirchhoff, Robert Bunsen - 1901 - 156 pages
...strontium under the same conditions. It follows from an examination made in this way that TTTo(W o* a milligram of calcium chloride can be detected easily...reaction may be easily obtained in the following way: 115 . • *•• • • • 4 • • we introduce a few milligrams, or perhaps only a few tenths of... | |
 | Pierre Prevost, Balfour Stewart, Gustav Kirchhoff, Robert Bunsen - 1901 - 156 pages
...strontium under the same conditions. It follows from an examination made in this way that -nnftuny of a milligram of calcium chloride can be detected...melted. If we allow a drop of hydrochloric acid to fall on the ring the greater part of it will remain hanging. If we pass this drop before the slit of the... | |
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It follows from an examination made in this way that -nnftuny of a milligram of calcium chloride can be detected easily and with absolute certainty. Only the calcium compounds, volatilized in the flame, show this reaction, and the more volatile they are... 