 The flame should be fully 20 cm. high when burning free, and the determination should be made in a place free from draughts. The upper surface of the cover should burn clear, but the under surface should remain covered with carbon. To find Volatile Combustible...  Bulletin of the United States Geological Survey - Seite 36von Geological Survey (U.S.) - 1907Vollansicht - Über dieses Buch
 | Chemical Society (Great Britain) - 1898 - 1020 Seiten
...be 20 to 25 cm. high when burning free, and the experiment made in a place protected from draught. The upper surface of the cover should burn clear,...the under surface should remain covered with carbon. From the loss on ignition must be deducted the loss on drying. The amount of ash is estimated by incinerating... | |
 | 1898 - 356 Seiten
...high when burning free, and the determination made in a place free from draughts. The upper service of the cover should burn clear, but the under surface...with carbon. To find "Volatile Combustible Matter," subtract the per cent of moisture from the loss found here. Questions: Should a larger portion be taken... | |
 | Andrew Alexander Blair - 1876 - 456 Seiten
...triangle with the bottom from 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...with carbon. To find Volatile Combustible Matter, subtract the per cent. of moisture from the loss found here." (The weight of the material left in the... | |
 | Incorporated Institution of Gas Engineers, London - 1899 - 296 Seiten
...be -2.0 to -25 cm. high when burning free, and the determinaiiou made in a place free from dranghts. The upper surface of the cover should burn clear,...covered with carbon. To find volatile combustible matter subtract the per cent. of moisture from the loss found here. 4. Ash. — Burn the portion of coal used... | |
 | United States. Philippine Commission (1900-1916) - 1901 - 608 Seiten
...centimeters high when burning free, and the determination should be made in a place free from drafts. The upper surface of the cover should burn clear,...covered with carbon. To find volatile combustible matter subtract the per cent of moisture from the loss found here." 1n a recent paper ° on " Philippine coals... | |
 | Albert Howard Low - 1905 - 316 Seiten
...pipe-stem triangle with the bottom 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...with carbon. To find "volatile combustible matter" subtract the per cent. of moisture from the loss found here. The term "Volatile Combustible Matter"... | |
 | Albert Howard Low - 1905 - 318 Seiten
...pipe-stem triangle with the bottom 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...with carbon. To find "volatile combustible matter" subtract the per cent. of moisture from the loss found here. The term "Volatile Combustible Matter"... | |
 | Clifford Richardson - 1905 - 620 Seiten
...platinum triangle with the bottom 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...under surface should remain covered with carbon." FIXED CARBON IN BITUMENS. > Egyptian. The residue minus the small impurity of ash in the pure bitumen... | |
 | Clifford Richardson - 1905 - 616 Seiten
...platinum triangle with the bottom 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...under surface should remain covered with carbon." FIXED CARBON IN BITUMENS. 1 Egyptian. The residue minus the small impurity of ash in the pure bitumen... | |
 | Andrew Alexander Blair - 1906 - 340 Seiten
...triangle with the bottom from 6 to 8 cm. above the top of the burner. The flame should be fully 20 cm. high when burning free, and the determination should...with carbon. To find Volatile Combustible Matter, subtract the per cent, of moisture from the loss found here." (The weight of the material left in the... | |
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