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Books Bücher 11 - 20 von 56 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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The chemical analysis of iron: a complete account of all the best known ...

Andrew Alexander Blair - 1906 - 318 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...upper surface of the cover should burn clear, but the under surface should remain covered with carbon. To find 19 Volatile Combustible Matter, subtract...
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Chemical News and Journal of Industrial Science, Band 94

1906
...for seven minutes. The crucible should be supported on a platinum triangle with the bottom б 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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The chemical analysis of iron: a complete account of all the best known ...

Andrew Alexander Blair - 1906 - 318 Seiten
...seven minutes. The crucible should be supported on a platinum 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 be made in a place free from draughts. The...
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Bulletin - United States Geological Survey, Ausgabe 323

Geological Survey (U.S.) - 1907
...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," substract...
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Geology and Oil Resources of the Santa Maria Oil District ..., Ausgabe 322

Ralph Arnold, Robert van Vleck Anderson - 1907 - 161 Seiten
...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...high when burning free, and the determination should IK' made in a place free from draughts. The upper surface of the cover should burn clear, but the under...
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The Philippine Journal of Science, Band 2

1907
...supported on a platinum triangle with the bottom 6 to 8 centimeters above the top of the burner Tiic flame should be fully 20 centimeters high when burning...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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The Philippine Journal of Science, Band 2

1907
...supported on a platinum triangle with the bottom 6 to 8 centimeters above the top of the burner The name should be fully 20 centimeters high when burning free,...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 mvered...
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The Philippine Journal of Science, Band 2

1907
...burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom C to 8 centimeters above the top of the burner The flame...fully 20 centimeters high when burning free, and the detcrmin£tion should be made in a place free from drafts. The upper surface of the cover should burn...
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Bulletin - United States, Office of Public Roads, Ausgaben 33-44

United States. Bureau of Public Roads - 1908
...shown in figure 15. The crucible should be supported on a platinum triangle with the bottom from 6 to 8 centimeters above the top of the burner. The flame should be fully 20 centimeters high when burning freely, and the determination should be made in a place free from drafts. The upper surface of the...
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Gas and Fuel Analysis for Engineers: A Compend for Those Interested in the ...

Augustus Herman Gill - 1908 - 117 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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