122 
Grains. 
Grains 
per Gall. 
1 
t 
1°. Solid matter left on evaporating 
4000 grains of the sample to dry- 
ness and heating at 220° Fah. till 
the residue ceased to lose Aveight 
111-972 
1 
—Total solid matter 
1959-510 
2°. Weight of residue after prolonged 
heating to redress 
111-898 
— TiOss on io-riition 
1-295 
3°. Loss by treating the precipitate 
of Barium Sulphate and Carbon- 
ate produced from 50 c.c. of the 
sample, with sulphuric acid and 
water in carbonic acid apparatus 
Grammes. 
0-2655 
—Total Carbonic dioxide 
371-700 
i”. Weight of the gently-ignited pre- 
cipitate of Barium Carbonate 
produced from the distillation 
of 200 c.c, of the sample 
2-7612 
=:Carbonic dioxide, free, 
5°. Ammonia (NH 3 ) obtained by dis- 
tilling 5 c. c. of the sample Avith 
245 c.c. of pure Avater and 
“nesslerizing” 
-00575 
and in combination 
Avith Ammonia 
=Ammonia in combina- 
215-995 
6 °. Ammonia (NHg) by distilling the 
liquid left in the retort from 5° 
with sodium carbonate and 
“nesslerizing” 
■00010 
tion Avith Carbonic 
dioxide 
^Ammonia presumably 
80-500 
7°. Ammonia (NHg) obtained by dis- 
in combination with 
Hydrochloric Acid . . 
1-400 
tilling the liquid left in the 
retort from 6 ° Avith Potassium 
permanganate and “nessler- 
izing” 
■0000325 
=:Nitrogen, presumably in 
Weight of ignited precipitate of 
Magnesium pyrophosphate from 
50 c.c. *of the sample 
•0928 
combination in some 
organic compound . . 
= Magnesium 
0-374 
27-964 
Weight of dried precipitate of Potass- 
ium Plato-Chloride from 25 c.c. 
of the sample 
1-2053 
^Potassium 
539-840 
Weight of ignited precipitate of 
Barium Sulphate from 50 c.c. of 
the sample 
1-3286 
^Sulphuric Anhydride . . 
638-640 
50 c.c. of the sample required 27 '2 c.c. 
of standard Silver Nitrate solu- 
tion (each c.c. of st. solution is 
precipitated by -006306 grammes 
pure sodium chloride)=Aveight 
of sodium chloride 
0-17152 
—Chlorine 
145-719 
100 c.c. of the sample required 9 c.c. 
standard Potassium Perman- 
ganate solution. Each gramme 
of oxalic acid required 550 c.c. 
of the st. solution to oxidise it, 
—weight of oxalic acid 
0-01636 
^Oxygen required to oxi- 
dise matters existing 
in the sample 
Nitrates and Nitrites . . 
1-454 
Absent 
