214 MUNROE-HOWELI^PRODUCTS OF DETONATION OF TNT. 



Gas Analyses. 



Calculations. 



N in explosive, 400 X .1814 72.560 grams 



.914 grams 



N in residual air 



1.231 grams 



N in No. 8 electric detonator 158 grams 



Total N put in gage 74-863 grams 



N found in gases: Obs. pres. 10.79 kg. per sq. cm 7,942 mm. 



Barometer 



731 mm. 



M77-4S liters of gas. 

 = 217.52 J-^^^ ^^ ^ 



Abs. pres. in gage 8,673 mm. 



8673 X -01844= 159.93 



8673 X .02508: 



377.45 X .16 X 1.2542 = 75.744 grams N in gas. 



N put in gage 74-863 grams 



N found in gas 75-744 grams 



Difference -|-.88i grams 



TABLE I. 



Summary of Gas Analyses as Found in Gage, Liters of Permanent Gases 

 AND Nitrogen Check Using Orndorff Values. 



Wt. of Charge (Grams). 



25 



CO2 (per cent.) . . 

 O (per cent.) . . . . 

 CO (per cent.).. . 

 H (per cent.) . . . . 

 CH4 (per cent.). . 

 N (per cent.) . . . . 

 Liters of gas . . . . 

 N check (grams) . 



6.2 

 .0 



51-5 

 26.1 

 .2 

 16.0 

 26.77 

 — .217 



50 



75 



50 

 .0 



52.5 

 27.1 



-4 

 I5-0 

 53-06 

 -.163 



1.8 



.0 

 58.0 

 24.8 



.1 

 15-3 

 75-19 

 — .224 



150 



2.0 



.0 



58.0 



25.4 

 .1 



14.5 

 104.83 

 — .121 



1.4 



.0 



58.1 



25.6 



.5 

 14.4 

 160.07 

 +.631 



250 



CO2 (per cent.) . . 

 O (per cent.) . . . . 

 CO (per cent.) . . . 

 H (per cent.) . . . . 

 CH4 (per cent.). . 

 N (per cent.) . . . . 

 Liters of gas . . . . 

 N check (grams) . 



1.3 



.0 



59-7 

 22.8 

 1.2 

 15.0 

 198.49 

 + .005 



1.5 



.0 



60.3 



20.6 



1-9 



15-7 



243.03 



+ .227 



300 



350 



I.I 



.0 



60.2 



21.0 



1.9 



15.8 



287.25 



+ ■213 



1.6 



.0 



60.5 



20.1 



2-3 



15. S 



331-97 

 — .021 



400 



1.5 



.0 



60.4 



19.8 



2.3 

 16.0 



377-45 

 + .881 



