 ... (The weight of the material left in the crucible is coke.) Determination of Ash, — Burn the portion of powdered coal used for the determination of moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon....  Geological Survey of Michigan - Seite 71von Michigan. Geological Survey - 1900 - 67 SeitenVollansicht - Über dieses Buch
 | 1898 - 356 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated, this sample can be burned much...carbon left from the determination of volatile matter. Question : Are carbonates likely to be present in the ash in such amount that heating over a blast... | |
 | Andrew Alexander Blair - 1876 - 456 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated, this sample can be burned much...carbon left from the determination of volatile matter. It is advisable to examine the ash for unburned carbon by moistening it with alcohol. " When the sulphur... | |
 | Incorporated Institution of Gas Engineers, London - 1899 - 296 Seiten
...moisture at first over a very low flame, with the crucible open and inclined, till tree from carbon. If properly treated, this sample can be burned much...carbon left from the determination of volatile matter. 5. Fixed Carbon. — This is found by subtracting the per cent. of ash from the per cent. of coke as... | |
 | International Correspondence Schools - 1900 - 728 Seiten
...moisture at first over a very low flame, with the crucible open and inclined, until free from carbon. If properly treated, this sample can be burned much...carbon left from the determination of volatile matter. Fixed Carbon.— This is found by subtracting the percentage of ash from the percentage of coke. Sulphur... | |
 | United States. Philippine Commission (1900-1916) - 1901 - 608 Seiten
..." burn the portion of powdered coal used for the determination of moisture till fre« from carbon. if properly treated, this sample can be burned much...carbon left from the determination of volatile matter." 1n the case of noncoking coals there seems to be no difference in the time required, whether the sample... | |
 | 1904 - 476 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. This sample can be burned much more quickly than the dense carbon or coke left from the determination of the volatile combustible matter. Fixed carbon is found by difference.... | |
 | Albert Howard Low - 1905 - 318 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated this sample can be burned much...carbon left from the determination of volatile matter. It is advisable to examine the ash for unburned carbon by moistening it with alcohol. When the sulphur... | |
 | Albert Howard Low - 1905 - 316 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated this sample can be burned much...carbon left from the determination of .volatile matter. It is advisable to examine the ash for unburned carbon by moistening it with alcohol. When the sulphur... | |
 | Andrew Alexander Blair - 1906 - 340 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated, this sample can be burned much...carbon left from the determination of volatile matter. It is advisable to examine the ash for unburned carbon by moistening it with alcohol. " When the sulphur... | |
 | Howard Van Fleet Furman - 1908 - 544 Seiten
...moisture, at first over a very low flame, with the crucible open and inclined, till free from carbon. If properly treated this sample can be burned much...carbon left from the determination of volatile matter. It is advisable to examine the ash for unburned carbon by moistening it with alcohol. When the sulphur... | |
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