212 MUNROE-HOWELI^PRODUCTS OF DETONATION OF TNT. 



5651 X .01826=103.17 



•243.03 liters of gas. 



5651 X. 02475 =139.86 



243.03 X .157 X 1.2542 = 47.855 grams of N in gas . 



N put in gage 47.628 grams 



N found in gas 47-855 grams 



Diflference +.227 grams 



Test No ^^-"354 

 P— 1847- 



Weight of charge 300 grams. 



Temperature of gages before shot 25° C. 



Temperature of gages after shot 15 Hter, 27° C. ; 20 liter 25° C. 



Barometer 732 mm. 



Observed gage pressure 8.05 kg. per sq. cm. 



Calculations. 



N in explosive, 300 X .1814 54-420 grams 



■VT • -J 1 • r -908 grams 



N m residual air -{ 



I 1.223 grams 



N in No. 8 electric detonator 



.158 grams 



Total N put in gage 56.709 grams 



N found in gases : Obs. pres. 8.05 kg. per sq. cm 5,925 mm. 



Barometer 732 mm. 



Abs. pres. in gage 6,657 mm. 



6657 X -01832=121.961 



6657 X .02483 = 165.29 r^7-25 gas. 



287.25 X •158X 1.2542=: 56.922 grams N in gas. 



N put in gage 56.709 grams 



N found in gas 56.922 grams 



Difference +-213 grams 



