34 
PRELIMINARY REPORT ON COAL-TESTING PLA.NT. [bull. 261. 
Analyses of mine and laboratory car samples of coal — Continued. 
Laboratory sample No 
Loss of moisture on air drying. 
Analysis of air-dried sample. 
Moisture 
Volatile matter 
Fixed carbon 
( Ash 
(Sulphur 
Hydrogen 
Carbon 
Nitrogen 
L Oxygen 
Calorific value determined: 
Calories 
British thermal units 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
is corrected to sample as received. 
a> f Moisture 
I I Volatile matter 
Fixed carbon 
r Ash 
X Sulphur 
Hydrogen 
Carbon 
p Nitrogen 
I Oxygen 
Calorific value determined: 
Calories 
British thermal units 
Calorific value calculated from ultimate 
analysis: 
Calories 
British thermal units 
Arkansas No. 3. 
Mine 
sample 
A. 
1115 
0.81 
17. 54 
73.68 
7.97 
1.43 
Mine 
sample 
B. 
7,931 
14,275 
1.60 
17.40 
73.09 
7.91 
1.42 
7,868 
11, 162 
1118 
0. 80 
0.84 
16.81 
12.76 
1.47 
1.63 
16.68 
69.03 
12.66 
1.46 
Labora- 
tory car 
sample. 
1296 
1.40 
0.80 
19.75 
67. 65 
11.80 
1.30 
4.07 
76.37 
1.55 
4.91 
7,686 
13, 655 
7,393 
13,307 
2.19 
19.47 
66. 71 
11.63 
1.28 
4.17 
75.31 
1.53 
6.08 
7, 480 
13, 464 
7, 289 
13, 120 
Arkansas No. 5. 
Mine 
sample 
A. 
1130 
0.70 
0.68 
14.87 
77. 45 
7.00 
1.53 
8,017 
14,431 
1.38 
14.76 
76.91 
6.95 
1. 52 
7,961 
14, 330 
Mine 
sample 
B. 
1131 
Labora- 
tory car 
sample. 
0.51 
15.19 
76.94 ; 
7.36 
1.97 
1.80 
15. 00 
75. 94 
7.26 
1.94 
1331 
1.10 
1.28 
12. 82 
73.69 
12.21 
2.01 
3.74 
77. 29 
1.39 
7,448 
13,406 
7,434 
13, 381 
2.36 
12. 68 
72.88 
12.08 
1.99 
3. 82 
76. 44 
1.37 
4.30 
7, 366 . 
13,259 
7, 353 
13, 235 
