MUNROE-HOWELL— PRODUCTS OF DETONATION OF TNT. 217 



Test No. 



M — 2630 



F—1877' 

 Density of cartridge 1.50. 

 Weight of charge 200 grams. 

 Temperature of gage before shot 25° C. 

 Temperature of gage after shot 26° C. 

 Barometer 718 mm. 

 Observed gage pressure 13.51 kg. per sq. cm. 



Gas Analyses. 



Calculations. 



N in explosive, 200 X -1834 36.680 grams 



N in residual air 914 grams 



N in No. 8 electric detonator 158 grams 



Total N in gage 37752 grams 



N found in gases: Obs. pres. 13.51 kg. per sq. cm 9,943 mm. 



Barometer 718 mm. 



Abs. pres. in gage 10,661 mm. 



10,661 X .01838=195.95. 

 195-95 X 15-3 X 1.2542 = 37.601. 



N put in gage 37752 grams 



N found in gas 37.601 grams 



Difference — .151 grams 



TABLE III. 

 Comparison of Results Showing Effect of Density of Cartridge. 



Density of cartridge 

 Weight of charge . . 



