 | Andrew Alexander Blair - 1876 - 456 Seiten
...nitrate. Transfer to a large platinum crucible, and fuse well for about an hour at a high temperature. Run the fused mass well up on the sides of the crucible, allow it to cool, dissolve in hot water, and filter. Dilute the filtrate to about 600 cc, and add nitric... | |
 | 1899 - 688 Seiten
...combustion to enter the crucible. When the contents of the crucible are in a state of quiet fusion, run the mass well up on the sides of the crucible, and allow it to cool. Dissolve the fusion out of the crucible with hot water, wash the crucible thoroughly, boil the fusion... | |
 | Richard Kidder Meade - 1901 - 206 Seiten
...blast-lamp, until the contents of the crucible are in quiet fusion. Remove the crucible from the flame and run the fused mass well up on the sides of the crucible by tilting and revolving the latter while held with the crucible tongs. While still hot plunge the... | |
 | 1902 - 1004 Seiten
...combustion to enter the crucible. When the contents of the crucible are in a state of quiet fusion, run the mass well up on the sides of the crucible, and allow it to cool. Dissolve the fusion out of the crucible with hot water, wash the crucible thoroughly, boil the fusion... | |
 | 1902 - 1022 Seiten
...combustion to enter the crucible. When the contents of the crucible are in a state of quiet fusion, run the mass well up on the sides of the crucible, and allow it to cool. Dissolve the fusion out of the crucible with hot water, wash the crucible thoroughly, boil the fusion... | |
 | Richard Kidder Meade - 1906 - 418 Seiten
...burner for a while and then over a blast lamp, until the contents of the crucible are in quiet fusion. Run the fused mass well up on the sides of the crucible and chill by dipping the bottom of the crucible in a vessel of cold water. If loose, remove the mass from... | |
 | Richard Kidder Meade - 1906 - 422 Seiten
...burner for a while and then over a blast lamp, until the contents of the crucible are in quiet fusion. Run the fused mass well up on the sides of the crucible and chill by dipping the bottom of the cru"cible in a vessel of cold water. If loose, remove the mass from... | |
 | 1907 - 656 Seiten
...ground clay, dried at 100° C., with 10 grams of sodium carbonate and a very little sodium nitrate. Run the fused mass well up on the sides of the crucible, allow it to cool, and treat it with hot water until thoroughly disintegrated, transferring the liquid... | |
 | Howard Van Fleet Furman - 1908 - 546 Seiten
...grammes of sodium nitrate. Fuse in a large platinum dish for about one hour at a high temperature. Run the fused mass well up on the sides of the crucible and allow to cool; dissolve in hot water and filter. If a 5-grammc sample was taken for analysis dilute to about... | |
 | Richard Kidder Meade - 1911 - 568 Seiten
...burner for a while and then over a blast lamp, until the contents of the crucible are in quiet fusion. Run the fused mass well up on the sides of the crucible and chill by dipping the bottom of the crucible in a vessel of cold water. If loose, remove the mass from... | |
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... contamination from sulphur in the gases from source of heat. This may be done by fitting the crucible in a hole in an asbestos board. The heating of the crucible should be gradually done first over a Bunsen burner for a while and then over a blast... 