LORD.] 
WORK OF CHEMICAL LABORATORY. 
35 
Analyses of mine and laboratory car samples of coal — Continued. 
Arkansas 
No. 6. 
Colorado No. 
1. 
Laboratory 
car 
sample. 
1542 
Mine 
sample 
B. 
Mine 
sample 
A. 
Laboratory 
car 
sample. 
La 
1383 
1397 
1523 
3.00 
0. 82 
14. 32 
70. 62 
14. 24 
1.30 
3.90 
16.77 
35.18 
44.29 
3.76 
0.54 
4.00 
18. 58 
35.42 
42. 38 
3.62 
0.48 
6.00 
■',> 
Analysis of air-dried sample. 
r Moisture 
13. 49 
I. 
37.11 
43.03 
8 
6.37 
f 1 Sulphur 
0. 58 
0) 
Hydrogen 
5.75 
03 
a- 
g 
61.13 
Nitrogen 
1.22 
" 
Oxygen 
24. 95 
Ca 
Ca 
orific value determined: 
5,918 
10, 652 
5, 995 
10,791 
British thermal units 
lorific value calculated from ultimate analysis: 
5,859 
10,546 
British thermal units 
Analysis corrected to sample as received. 
3.80 
13.89 
68. 50 
13.81 
1.26 
20. 02 
33.81 
42. 56 
3.61 
0.52 
21.84 
34.00 
40.68 
3.48 
0.46 
18.68 
I. 
Volatile matter 
34.88 
Fixed carbon 
40. 45 
8 
5.99 
a) 
(Sulphur 
Hvdrogen. 
0. 55 
6.07 
as 
g - 
57. 46 
Nitrogen 
1.15 
i-j 
Oxygen 
28.78 
Ca 
Lorific value determined: 
5, 687 
10, 237 
5, 635 
10, 143 
Ca 
lorific value calculated from ultimate analysis: 
5, 507 
9,913 

