The Analysis of Black Powder And Dynamite
The Analysis of Black Powder And Dynamite
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The method of drying this residue depends upon whether or not the qualitative analysis has shown the presence of ammonium salts or other substances that may be volatilized or decomposed on heating. If the explosive does not contain ammonium salts, it is customary to dry the residue at a temperature of 100 C. For 5 hours, a pro- cedure that has been found to insure constant weight. A longer period of drying, even overnight, will not cause any appreciable addi- tional loss in weight, and is often... found convenient.
If ammonium salts are present, the residue is dried at a tempera- ture of 70 C. , as it has been shown 6 that, especially in the presence Snelling, W. O. , and Storm, C. G. , The analysis of black powder and dynamite : Bull. 61, Bureau of Mines, 1913, pp. 30-32.
6 Snelling, W. O. , and Storm, C. G. , op. Cit. , pp. 59-60.
34 ANALYSIS OF PERMISSIBLE EXPLOSIVES.
of zinc oxide, the antacid generally employed in ammonium nitrate explosives, an appreciable loss of the ammonium salts results from drying at 100 C.
What to read after The Analysis of Black Powder And Dynamite?
You can find similar books in the "Read Also" column, or choose other free books by Walter Otheman Snelling to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
The method of drying this residue depends upon whether or not the qualitative analysis has shown the presence of ammonium salts or other substances that may be volatilized or decomposed on heating. If the explosive does not contain ammonium salts, it is customary to dry the residue at a temperature of 100 C. For 5 hours, a pro- cedure that has been found to insure constant weight. A longer period of drying, even overnight, will not cause any appreciable addi- tional loss in weight, and is often... found convenient.
If ammonium salts are present, the residue is dried at a tempera- ture of 70 C. , as it has been shown 6 that, especially in the presence Snelling, W. O. , and Storm, C. G. , The analysis of black powder and dynamite : Bull. 61, Bureau of Mines, 1913, pp. 30-32.
6 Snelling, W. O. , and Storm, C. G. , op. Cit. , pp. 59-60.
34 ANALYSIS OF PERMISSIBLE EXPLOSIVES.
of zinc oxide, the antacid generally employed in ammonium nitrate explosives, an appreciable loss of the ammonium salts results from drying at 100 C.
What to read after The Analysis of Black Powder And Dynamite?
You can find similar books in the "Read Also" column, or choose other free books by Walter Otheman Snelling to read onlineMoreLess
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