ioro] WORK OF CHEMICAL LABORATORY. 
Analyses of mine and laboratory car samples of coal — Continued. 
43 
Tow a No. 4. 
Mine 
sample 
B. 
Mine 
sample 
A. 
Labora- 
tory car 
sample. 
Iowa No. 5. 
Mine 
sample 
B. 
Mine 
sample 
Labora- 
tory car 
sample. 
Laboratory sample No. 
i:52H 
1324 
1437 
1332 
1333 
1433 
Loss of moisture on air drying 
Analysis of air-dried sample. 
Moisture 
Volatile matter 
Fixed carbon 
r Ash 
\ Sulphur 
Hydrogen 
Carbon 
Nitrogen 
. Oxygen 
Calorific value determined: 
Calories 
British thermal units 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
9.40 
8.53 
39. 12 
44.55 
7.80 
4.42 
6, 703 
12,065 
Analysis corrected to sample as received. 
f Moisture 
Volatile matter 
Fixed carbon 
rAsh 
1 Sulphur 
Hydrogen 
Carbon 
Nitrogen 
. Oxygen 
Calorific value determined: 
Calories 
British thermal units 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
17.13 
35. 44 
40.36 
7.07 
4.00 
6,073 
10,931 
8.60 
8.25 
38.23 
41.40 
12. 12 
5.21 
16.14 
34.94 
37.84 
11.08 
4.76 
4.50 
10.03 
37.27 
41.22 
11.48 
4.46 
5.31 
61.25 
0.94 
16.56 
6,237 
11,227 
6, 165 
11.097 
14.08 
35.59 
39.37 
10.96 
4. 26 
5.57 
58.49 
0.90 
19.82 
5, 957 
10, 723 
5, 888 
10,598 
9.40 
10. 25 
35.10 
46.12 
8.53 
2.64 
6, 442 
11,596 
18.69 
31.80 
41.78 
7.73 
2.39 
5,836 
10,. r )0. r . 
7.10 
12.37 
36.98 
42.95 
7.70 
3.34 
18.59 
34.36 
39.90 
7.15 
3.10 
9.22 
32. 71 
44.52 
13.55 
3.42 
5.35 
59.89 
1.22 
16.57 
6, 105 
6,045 
10.881 
15.39 
30.49 
41.49 
12.63 
3.19 
5.74 
55. 81 
1.14 
21.49 
5, 690 
10,242 
5, 634 
10,141 
