 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 321907Vollansicht - Über dieses Buch
 | Howard Van Fleet Furman - 1908 - 544 Seiten
...— Place one gramme of fresh undried, powdered coal in a platinum crucible weighing 20 to 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 * From the Report of the Committee on... | |
 | Augustus Herman Gill - 1908 - 166 Seiten
...Combustible Matter and Coke.*§— Place one gram of fresh, undried powdered coal in a platinum crucible having a tightly fitting cover. Heat over the full flame of a Bunsen burner for seven minutes by the watch. The crucible should be supported on a platinum triangle with the bottom six to eight... | |
 | Albert Howard Low - 1908 - 388 Seiten
...true per cent. of volatile combustible matter will be 34.25 -(34-25 Xo.o187)= 33.61. flame of a Bunscn burner for seven minutes. The crucible should be supported on a platinum or pipe-stem triangle with the bottom 6 to 8 cm. above the top of the burner. The flame should be fully... | |
 | American Gas Institute - 1909 - 1160 Seiten
..."Place one gram of fresh, undried powdered coal in a platinum crucible, weighing twenty or thirty grams and having a tightly fitting cover. Heat over the...be supported on a platinum triangle with the bottom six to eight cm. above the top of the burner. The flame should be fully twenty cm. high when burning... | |
 | 1909 - 1090 Seiten
...follows: Place 1 gram of fresh, undried, powdered coal in a platinum crucible weighing 20 or 30 grams and having a tightly fitting cover. Heat over the...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... | |
 | United States. War Department - 1909 - 634 Seiten
...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 full flame of a Bunseu burner for seven minutes. The crucible should be supported on a platinum triangle with the bottom... | |
 | 1913 - 330 Seiten
...is made Drlefly as follows: One gram of coal is put 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 ton of the burner. The flame should be fully 20 cm. high when burning free, and... | |
 | Alfred Henry Allen - 1910 - 670 Seiten
...follows: Place 1 grm. of pure bitumen, free from water, in a platinum crucible weighing 20 to 30 grm. and having a tightly fitting cover. Heat over the full flame of a Bunsen burner for 7 minutes. The crucible should be supported on a platinum triangle with the bottom 6 to 8 cm. above... | |
 | Prévost Hubbard - 1910 - 458 Seiten
...platinum crucible weighing from 20 to 30 grams and having a tightly fitting cover. It is then heated over the full flame of a Bunsen burner for seven minutes. The crucible should be supported * Mun. Engineering, Vol. XXXV, No. 6, p. 349. on a platinum triangle with the bottom 6 to 8 cms. above... | |
 | Alfred Henry Allen - 1910 - 656 Seiten
...follows: Place 1 grm. of pure bitumen, free from water, in a platinum crucible weighing 20 to 30 grm. and having a tightly fitting cover. Heat over the full flame of a Bunsen burner for 7 minutes. The crucible should be supported on a platinum triangle with the bottom 6 to 8 cm. above... | |
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