H. H. Edgerton on Naphtha Gas. 409 



ing disasters from the use of "dangerous kerosene," made dan- 

 gerous by the fraudulent addition of these volatile hydrocar- 

 bons, by reason of which many hundreds of lives are annually 

 sacrificed. b. s. 



Constituents of Naphtha Gas redvaed to 100 volumes. 

 " Memphis Gas.''"' 



Hydrocarbon illuminating gases - 25 "42 



Marsh gas, 34-16 



Methyl, - 3-29 



Nitrogen, -32-24 



Oxygen, -^4j89 



100 00 

 '■'Fort Wayne Gas.'^ 



1st analysis. 2d analysis. 



Ekyl (Olefiant gas), C.H,, 37'54 ) „ „. 38-28 ) gl 



Ditetrvl (Butyltne), €>*! 18-27 \ ^^ ^\ 1^53 \ 



Marsh gas, C2H. ^^'^^ U4-19 ^^'^^ I 44-19 



Methyl, (C2H3 C^Hg) 30-21 ) 30-21 ) 



100-00 100-00 



Condensation of Hydrocarbom absorbable by concentrated Sul- 

 phuric acid. In analysis of Memphis gas. 

 Gas employed, 41-47 of which 7-143 absorbable by SO 3 



Less Nitrogen, 13-37 20-957 non-absorbable. 



Combustible gas, 28*10 

 According to previous analysis, due non-absorbable gases. 



^ ^ Due non-absorb. Vol. absorb. Due absorb. Per vol. 



^arbonic acid, 22-80 7*143 19*40 ^-n^ 



Oxygen used, 52*136 21*50 3-010 



Contraction,' 50-293 7-21 1-009 



Fort Wayne Naphtha Gas. 

 <^as employed, 6*819, of which 56-81 pr. ct absorb. VoL 3*806. 



p ^ . Due non-absorb. Per vol. Due absorb. Per vol Totd. 



Carbonic acid, 5-073 1*683 10*103 2*654 15 176 



^xygenused, 9*081 3*013 15-604 4-100 ^4 000 



Contraction, 7-023 2-339 9*129 2*398 16 152 



Second trial— Qas employed, 7*000, of which 

 Non-absorbable. Absorbable. 



q-noq npr vol 3*907 per vol. 



Carbonic acid 6-208 ^683 10-260 2*626 15*468 



^genu'd' till mi 16-204 4-147 25;525 



Contraction, 7-210 2-339 9-381 2 401 lb oJi 



A*- Jock. 8ci.— Thikd Series, Vol. I, No. 6.— Juhe, 1871. 

 27 



