424 
DR. E. FRANKLAND ON A NEW SERIES OF 
Weight of flask filled with dry air . . . 35-4703 grms. 
Temperature in balance case 22*8° C. 
Capacity of flask 140-50 cubic centimetres. 
From these data the specific gravity was calculated to be T0384. 
The remainder of the gas was submitted to eudiometrical analysis : the following 
numbers were obtained : — 
I. In Short Eudiometer. 
Observed 
volume. 
Temp. 
Difference of 
mercury level. 
Barom. 
Corrected vol. at 0“ C 
and 1 metre press. 
0 
mm 
mm 
Volume of gas used (dry) 
143*4 
2 TOC. 
16*3 
760*5 
99*09 
Volume after action of ) 
fuming SO 3 (dry) . J 
y 122*5 
18*2 
37*0 
754*7 
82*42 
II. In Combustion Eudiometer. 
Volume of gas used (moist) 110*3 
18*1 C. 
570*7 
755*2 
17-48 
Volume after admission of] 
0 (moist) . . . . J 
1 383*6 
18*3 
274*7 
755-7 
167*31 
Volume after explosion ] 
(moist) J 
[ 326*9 
18*4 
332*4 
755*8 
124*86 
Volume after absorption ] 
ofC02(dry) . , . J 
1 264*5 
17*0 
398*3 
760*7 
90*23 
Volume after admission of] 
H(dry) . . . . J 
1 592*5 
17*0 
77*9 
761*6 
381*33 
Volume after explosion ' 
(moist) 
j. 303*5 
17*7 
355*9 
762-7 
111*64 
As the gas, left unabsorbed by fuming sulphuric acid, was soluble in about its 
own volume of alcohol, with the exception of a very small per-centage due to the 
nitrogen introduced by diffusion through the sulphuretted water, it could not con- 
tain either hydrogen or hydride of methyl ; and the result of the above combustion 
proves that it is hydride of ethyl, for I have shown that 1 vol. of hydride of ethyl 
consumes 3*5 vols. oxygen, and generates 2 vols. carbonic acid, numbers which 
almost exactly correspond with those obtained. 
17*48 vols. of the gas, containing 17*15 vols. of combustible gas and *33 vol. of 
nitrogen, consumed 59*93 vols. oxygen and generated 34*63 vols. carbonic acid; 
hence 
Volume of combustible gas. Oxygen consumed. Carbonic acid generated. 
17*15 59*93 34*63 
1 : 3*49 : 2*01 
Further, the gas agrees in all its chemical and physical properties, with the hydride 
of ethyl prepared by the action of zinc upon iodide of ethyl in presence of water. 
The composition of the gas absorbed by fuming sulphuric acid was determined 
