 | 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
...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...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... | |
 | Michigan. Geological Survey - 1900 - 838 Seiten
...burner. The flame used should be 20 to 25 centimeters high and burning free, and the determination made in a place free from draughts. The upper surface of the cover should burn free, but the lower should remain covered with carbon. To find volatile combustible matter subtract... | |
 | 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... | |
 | 1908 - 874 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 of the cover should burn clear, but tin- under surface should remain covered with carbon. To find "volatile combustible matter," substract... | |
 | 1904 - 480 Seiten
...bottom 6-8 cm. above the top of the burner. The flame should be 25 cm. high, and the determination made in a place free from draughts. The upper surface of the cover should burn clean but the under surface remain covered with carbon. To find the volatile combustible matter subtract... | |
 | Edmund Howd Miller - 1904 - 218 Seiten
...bottom 6-8 cm. above the top of the burner. The flame should be 25 cm. high, and the determination made in a place free from draughts. The upper surface of the cover should burn clean but the under surface remain covered with carbon. To find the volatile combustible matter subtract... | |
 | Albert Howard Low - 1905 - 316 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...with carbon. To find "volatile combustible matter" subtract the per cent. of moisture from the loss found here. The term "Volatile Combustible Matter"... | |
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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... 
