 | American Gas Institute - 1909 - 1160 Seiten
...burner. The flame should be fully twenty cm. high when burning free, and the determination should be made in a place free from draughts. The upper surface...covered with carbon. To find Volatile Combustible Matter subtract the percentage of moisture from the loss found here.'' Persons and Osborne state that few... | |
 | 1909 - 1088 Seiten
...burner. The flame should be fully 20 centimeters high when burning free, and the determination should be made in a place free from draughts. The upper surface...with carbon. To find "volatile combustible matter," substraet the per cent of moisture from the loss found here. This method has been used regularly in... | |
 | American Gas Institute - 1909 - 1162 Seiten
...The flame should be fully twenty cm. high when burning free, and the determination should be made 965 in a place free from draughts. The upper surface of...covered with carbon. To find Volatile Combustible Matter subtract the percentage of moisture from the loss found here." Persons and Osborne state that few coal... | |
 | United States. War Department - 1909 - 634 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." In a recent paper ° on " Philippine coals... | |
 | Alfred Henry Allen - 1910 - 656 Seiten
...the burner. 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...the under surface should remain covered with carbon. The residue minus the small impurity of ash in the pure bitumen is the fixed carbon, which should be... | |
 | Alfred Henry Allen - 1910 - 670 Seiten
...the burner. 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...the under surface should remain covered with carbon. The residue minus the small impurity of ash in the pure bitumen is the fixed carbon, which should be... | |
 | 1913 - 330 Seiten
...fully 20 cm. 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,...under surface should remain covered with carbon." It is therefore evident that the fixed carbon test has nothing to do with the quality or uses of asphalt,... | |
 | Prévost Hubbard - 1910 - 458 Seiten
...fully 20 cms. 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,...the under surface should remain covered with carbon. The residue minus the small impurity of ash in the pure bitumen is the fixed carbon, which should be... | |
 | Francis Jones Pond, Jerome John Morgan - 1911 - 394 Seiten
...(about eight inches) high when burning free, and the determination made in a place free from drafts. The upper surface of the cover should burn clear,...with carbon. To find "volatile combustible matter," subtract the percentage of moisture from the loss found here. The Determination of Coke. — The percentage... | |
 | Augustus Herman Gill - 1912 - 162 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,...with carbon. To find "Volatile Combustible Matter" subtract the per cent of moisture from the loss found here. The residue in the crucible minus the ash... | |
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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... 
