 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 341908Vollansicht - Über dieses Buch
 | Augustus Herman Gill - 1912 - 162 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... | |
 | American Gas Institute - 1913 - 1048 Seiten
...with the bottom six to eight cm. above the top of the burner. The flame should be fully twenty cm. high when burning free, and the determination should...The upper surface of the cover should burn clear but the under surface should remain covered with carbon. To find "Volatile Combustible Matter" subtract... | |
 | Alfred Holmes White - 1913 - 296 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... | |
 | Prévost Hubbard - 1916 - 208 Seiten
...29. The crucible should be supported on a platinum or nichrome 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 , f , , iij i_... | |
 | Thomas Bliss Stillman - 1916 - 790 Seiten
...shown in Fig. 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... | |
 | 1917 - 988 Seiten
...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... | |
 | Augustus Herman Gill - 1917 - 174 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... | |
 | William A. Bone - 1918 - 554 Seiten
...triangle with the bottom 6 to 8 c.ms. above the top of the burner. The flame should be fully 20 c.ms. high when burning free, and the determination should...The upper surface of the cover should burn clear but the under surface should remain covered with carbon. To find the Volatile Combustible Matter, subtract... | |
 | William A. Bone - 1918 - 560 Seiten
...Sc.ms. above the top of the burner. The flame should be fully 20 c.ms. high when burning free, and 56 the determination should be made in a place free from...The upper surface of the cover should burn clear but the under surface should remain covered with carbon. To find the Volatile Combustible Matter, subtract... | |
 | William Arthur Bone - 1918 - 554 Seiten
...for 7 minutes. The crucible should be supported on a platinum triangle with the bottom 6 to 8 c.ms. above the top of the burner. The flame should be fully 20 c.ms. high when burning free, and the determination should be made in a place free from draughts. The... | |
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