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Books Bücher 21 - 30 von 54 in Place 1 gram of fresh, undried, powdered coal in a platinum crucible weighing 20...
" Place 1 gram of fresh, undried, powdered coal in a platinum crucible weighing 20 to 30 grams and having a tightly fitting cover. Heat over the full flame of a Bunsen burner for seven minutes. "
Bulletin - Seite 38
1908
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Bulletin

United States. Bureau of Mines - 1909
...for seven minutes. The crucible should be supported on a platinum triangle, with the bottom 6 to 8 centimeters above the top of the burner. The flame...upper surface of the cover should burn clear, but the under surface should remain covered with carbon. To find "volatile combustible matter," substraet...
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Annual Reports of the Secretary of War, Band 8,Teil 2

United States. War Dept - 1909
...burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom 6 to 8 centimeters above the top of the burner. The flame...determination should be made in a place free from drafts. The upper surface of the cover should burn clear, but the under surface should remain covered...
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Proceedings of the American Gas Institute

1909
...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 the cover should burn clear but the under surface should remain covered with carbon. To find Volatile Combustible Matter subtract the...
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Dust preventives and road binders

Prévost Hubbard - 1910 - 416 Seiten
...triangle with the bottom 6 to 8 cms. above the top of the burner. The flame should be 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, but the under surface should remain covered...
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Dust Preventives and Road Binders

Prévost Hubbard - 1910 - 416 Seiten
...supported * Mun. Engineering, Vol. XXXV, No. 6, p. 349. on a platinum triangle with the bottom 6 to 8 cms. above the top of the burner. The flame should be fully 20 cms. high when burning free, and the determination should be made in a place free from drafts. The...
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Allen's Commercial Organic Analysis: A Treatise on the Properties, Modes of ...

Alfred Henry Allen - 1910
...burner for 7 minutes. The crucible should be supported on a 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 be made in a place free from draughts. The...
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Allen's Commercial organic analysis, Band 3

Alfred Henry Allen - 1910
...burner for 7 minutes. The crucible should be supported on a 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 be made in a place free from draughts. The...
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Municipal Engineering, Band 40

1911
...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 be made in a place free from drafts. The upper surface should remain covered with carbon. To find "volatile combustible matter"...
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Gas and Fuel Analysis for Engineers: A Compend for Those Interested in the ...

Augustus Herman Gill - 1912 - 139 Seiten
...by the watch. The crucible should be supported on a platinum triangle with the bottom six to eight centimeters above the top of the burner. The flame should be fully twenty centimeters high when burning free, and the determination should be made in a place free from...
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Technical Gas and Fuel Analysis

Alfred Holmes White - 1913 - 276 Seiten
...with the bottom six to eight centimeters above the top of the burner. The flame should be fully twenty centimeters high when burning free, and the determination...made in a place free from draughts. The upper surface should remain covered with carbon. To find 'Volatile Combustible Matter' substract the per cent. of...
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