184 



TABLE 179.— CHEMICAL AND PHYSICAL PROPERTIES OF FIVE DIFFERENT 

 CLASSES OF EXPLOSIVES 



Explosive c/} 



(A) Forty percent nitro- 

 glycerin dynamite. 1.22 



(B) FFF black blasting 



powder 1.25 



o v x 



is- 



c n .. 



o.-5 "^ 



3 E 



&o c 

 re- 

 u ~ 



.2 o. 

 o..H 



•3 "re 



'2 ^ 



E 

 re 



c'-o 



o-- 



« 2 



re o 

 o 4j 



«o 

 Q 





W E 

 c ° 



kg/cm 8 g m/sec m/sec It 



789.4 4817 



374 1 469.4 1 

 458* 



(C) Permissible explo- 

 sive ; nitroglycerin 

 class 1.10 760.5 5912 301* 3008 .471 27.79 



(D) Permissible explo- 

 sive ; ammonium 

 nitrate class 97 992.8 7300 279* 3438 § .483 2S.t 





u 

 In. 



1221.4 8235 227* 4688 .358 24.63 12 



925. 54.32 — 



E 



.t C 



O >- 



•:£ .o » > 



,T3 c ">■- 



: « o 5 "- 1 



* re ^ X a 



• o S M ^" 

 i x Po.J 



n CM — 



4- •= J3 



U O ^ 



u. y flj 



3* = 



g 



88.4 

 79.7 

 14.5 



154.4 

 126.9 



4.111 



103.9 

 65.1 

 15.4 



27.5 

 75.5 



.« ^ ^ 



C v- 3 



we -a 

 g 



25 



25 



1000 



800 



(E) Permissible explo- 

 sive ;hydrated class. 1.54 610.6 6597 434* 



(A) 



2479 .338 17.49 



Chemical analyses 



86.1 

 56.0 

 33.0 



Moisture 91 



Nitroglycerin 39.68 



Sodium nitrate 42.46 



Wood pulp 13.58 



Calcium carbonate 3.37 



(B) Moisture 80 



Sodium nitrate 70.57 



Charcoal 17.74 



Sulfur 10.89 



Moisture 7.89 



Nitroglycerin 24.02 



Sodium nitrate 36.25 



Wood pulp and crude fiber from 



grains 9.20 



Starch 21.31 



Calcium carbonate 97 



Magnesium " 36 



Moisture , 



Ammonium nitrate . 



Sulfur , 



Starch 



Wood pulp 



Poisonous matter . . . 

 Manganese peroxide 

 Sand 



Over 

 1000 



(D) Moisture 23 



83.10 



46 



2.61 



1.89 



2.54 



2.64 



6.53 



(E) Moisture 2.34 



(C) Moisture 7.89 Nitroglycerin 30.85 



9.94 



1.75 



11.98 



7.64 



8.96 



6.89 



19.65 



* One pound of clay tamping used. t Two pounds of clay tamping used. t Rate of burning. 



§ Cartridges 1J in. diam. || For 300 grams. 



Moisture 



Nitroglycerin 



Ammonium nitrate 



Sand 



Coal 



Clay 



Ammonium sulfate 

 Zinc sulfate (7HO). 

 Potassium sulfate . . . 



SMITHSONIAN PHYSICAL TABLES 



