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Books Bücher 1 - 10 von 38 in Place 1 gram of pure bitumen in a "platinum crucible weighing 20 or 30 grams and...
" Place 1 gram of pure bitumen in a "platinum crucible weighing 20 or 30 grams and having a tightly fitting cover. Heat over the full flame of a Bunsen burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom 6 to... "
The Philippine Journal of Science - Seite 42
1907
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The Chemical News and Journal of Industrial Science; with which is ..., Band 78

1898
...Combustible Matter.— Place one grm. of fresh undried coal in a platinum crucible, weighing 20 to 30 grms. and having a tightly fitting cover. Heat over the...be supported on a platinum triangle with the bottom 6 to 8 cm above the top of the burner. The flame used should be 20 to 25 cm high when burning free,...
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The chemical analysis of iron

Andrew Alexander Blair - 1901 - 309 Seiten
..." Place i gramme of fresh, undried, powdered coal in a platinum crucible weighing 20 or 30 grammes and having a tightly fitting cover. Heat over the...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,...
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Transactions

Incorporated Institution of Gas Engineers, London - 1899
...Matter. — Place one grm. of fresh undried coal iu a plat-iium crucible weighing 20 to 30 grms.,and having a tightly fitting cover. Heat over the full flame of a Bunseu burner for seven minutes. The crucible should bo supported on a platinum triangle with the bottom...
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Geological Survey of Michigan

Michigan. Geological Survey - 1900 - 67 Seiten
...of fresh, undried coal in a platinum crucible, weighing 20 to 30 grams and having a tightly fitted cover. Heat over the full flame of a Bunsen burner...be supported on a platinum triangle with the bottom (i to S centimeters above the top of the burner. The flame used should be 20 to 25 centimeters high...
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Report of the Philippine Commission to the Secretary of War ... 1900 ..., Teil 1

United States. Philippine Commission (1900-1916) - 1901
...follows : " 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...be supported on a platinum triangle with the bottom 6 to 8 centimeters above the top of the burner. The flame should be fully 20 centimeters high when...
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Bulletin, Ausgaben 319-324

1908
...powdered coal in a platinum crucible weighing 20 or .'!(> grams and having a tightly fitting rover. Heat over the full flame of a Bunsen burner for seven...supported on a platinum triangle, with the bottom ti to S centimeters above the top of the burner. The flame should be fully 20 centimeters high when...
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Quantitative Analysis for Mining Engineers

Edmund Howd Miller - 1904 - 137 Seiten
...crucible, weighing 20-30 grams, and having a well-fitting cover. Heat over the full flame of a Bunser burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom 6-8 cm. above the top of the burner. The flame should be 25 cm. high, and the determination made in...
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The School of Mines Quarterly, Band 25

1904
...crucible, weighing 20-30 grams, and having a well-fitting cover. Heat over the full flame of a Bunser burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom 6-8 cm. above the top of the burner. The flame should be 25 cm. high, and the determination made in...
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Quantitative Metallurgical Analysis: Selected Methods for Chemical Analaysis ...

Charles Frederick Sidener - 1904 - 58 Seiten
...one gram of the fresh, undried, powdered coal in a platinum crucible weighing twenty or thirty grams and having a tightly fitting cover. Heat over the full flame of the Bunsen burner for seven minutes. Cool and weigh. To find volatile combustible matter, subtract...
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The Modern Asphalt Pavement

Clifford Richardson - 1905 - 580 Seiten
...1116. It is as follows: Place 1 gram of pure bitumen in a " platinum crucible weighing 20 or 30 grams and having a tightly fitting cover. Heat over the...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...
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