The Chemistry of Powder and Explosives - Sciencemadness Dot Org

346
DYNAMITE AND OTHER HIGH EXPLOSIVES
The gelatin dynamites manufactured in Belgium are called
Forcites. The reported compositions of several of them are tabulated
below. Forcite extra is an ammonia gelatin dynamite.
Nitroglvconn
Collodion cotton
Sodium nitrate
Potassium nitrate
Ammonium nitrate
Wood ineul
Bran
Magnesium carbonate
FOB-
CITF. Su- FOR- FOB-
FOB- Su- M.B FOR- CITB. FOB- CITE
ciTB PEB- FOB- CITK No CITE NO
EXTR\ 1KURL CITE No 1
64
3.5
64
3
64
3
49
2
25
24
23
36
65
13
1
IP
49
2
37
11
1
No 2
36
3
35
In France gelatin dynamites arc known by the names indicated
in the following table where the reported compositions of several
of them arc tabulated.
Nitroglycenn
Collodion cotton
Potassium nitrate
Sodium mtrate
Wood meal
Flour
Magnesium carbonate
1 a
92-93
8-7
Permissible Explosives
82-83
6-5
9-10
2-3
82-83
6-5
9-10
2-3
1 o
64
3
24
•8
57 5
2 5
32 0
The atmosphere of coal mines frequently contains enough
methane (fire damp) to make it explode from the flame of a
black powder or dynamite blast Dust also produces an explosive
atmosphere, and it may happen, if dust is not already present,
8 0
I
4/
G
57
3
34
6
11
14
1
49
2
36
10
3
2P
36
2
46
15
1
^3
O
58
2
28