 | Charles Frederick Sidener - 1904 - 72 Seiten
...touching the dish, at first, till strong glowing has ceased, and is then increased gradually till in 15 minutes the bottom of the dish is at a low red heat,...using about 50 cc of water. Add 15 cc of saturated bromine water and boil for 5 minutes. Allow to settle, decant through a filter. Boil a second and third... | |
 | Edmund Howd Miller - 1904 - 218 Seiten
...gradually, especially with soft coals, until strong glowing has ceased; then the heat is increased until in fifteen minutes the bottom of the dish is at a low red heat, which is maintained until all the carbon is burned out. The residue which should be nearly white and... | |
 | 1904 - 476 Seiten
...gradually, especially with soft coals, until strong glowing has ceased ; then the heat is increased until in fifteen minutes the bottom of the dish is at a low red heat, which is maintained until all the carbon is burned out. The residue which should be nearly white and... | |
 | Albert Howard Low - 1905 - 318 Seiten
...glowing has ceased, increase the heat gradually, placing the burner under the dish, until in about fifteen minutes the bottom of the dish is at a low red heat.* Stir the mixture occasionally with a platinum rod and when the carbon is completely burned allow to... | |
 | Albert Howard Low - 1905 - 316 Seiten
...glowing has ceased, increase the heat gradually, placing the burner under the dish, until in about fifteen minutes the bottom of the dish is at a low red heat.* Stir the mixture occasionally with a platinum rod and when the carbon is completely burned allow to... | |
 | Emilio Damour, Augustin Leon Jean Queneau - 1906 - 348 Seiten
...gradually, especially with soft coals, until strong glowing has ceased; then the heat is increased until in fifteen minutes the bottom of the dish is at a low red heat, which is maintained until all of the carbon is burned out. The residue, which should be nearly white... | |
 | 1906 - 464 Seiten
...with the flame until strong glowing has ceased. Then gradually increase the heat until, in about 15 minutes, the bottom of the dish is at a low red heat. Keep at this temperature, stirring every few minutes with the platinum wire, until the carbon has completely... | |
 | 1906 - 458 Seiten
...with the flame until strong glowing has ceased. Then gradually increase the heat until, in about 15 minutes, the bottom of the dish is at a low red heat. Keep at this temperature, stirring every few minutes with the platinum wire, until the carbon has completely... | |
 | 1909 - 1288 Seiten
...of the sulphur it contains. The mixture is frequently stirred with a platinum wire, and the heat is raised very slowly, especially with soft coals. The...using about 50 cc of water. Add 15 cc of saturated bromine water and boil for five minutes. Allow it to settle, decant through a filter, boil a second... | |
 | ROLLA C. CARPENTER - 1906 - 1274 Seiten
...over an alcohol lamp, held in the hand at first. Gas must not be used, because of the sulphur that it contains. The mixture is frequently stirred with...to a beaker and rinse the dish, using about 50 cc water. Add 150.0. of saturated bromine water and boil for five minutes. Allow to settle, decant through... | |
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Gas must not be used, because of the sulphur that it contains. The mixture is frequently stirred with a platinum wire and the heat raised very slowly, especially with soft coals. The flame is kept in motion and barely touching the dish, at first, till... 
