LORD.J 
WORK OF CHEMICAL LABORATORY. 
33 
Analyses of mine and laboratory car samples of coal — Continued. 
Arkansas No 1. 
Arkansas No. 2. 
Mine 
sample 
B. 
Mine 
sample 
A. 
Labora- 
tory car 
sample. 
Mine 
sample 
B. 
Mine 
sample 
A. 
Labora- 
tory car 
sample. 
Lai: 
1045 
1046 
1114 
1049 
1053 
1160 
2.10 
1.17 
17.83 
68.12 
12. 88 
1.27 
4.00 
75.68 
1.47 
4.70 
7,450 
13, 410 
7,319 
13, 174 
3.24 
17.46 
66.69 
12. 61 
1.24 
4.15 
74.09 
1.44 
6.47 
7,294 
13, 129 
7, 165 
12, 897 
1.50 
6 
"cS 
a . 
1 
6 
B ■ 
5 
Analysis of air-dried sample. 
0.74 
16.26 
73. 66 
9.34 
1.90 
Hydrogen 
4.13 
80.03 
1.40 
3.20 
Cal 
orific value determined: 
7,756 
13, 961 
7, 794 
Cal 
a 
orific value calculated from ultimate 
nalysis: 
14,029 
V, 
I 
6 
"3 
s ■ 
s 
r Moisture 
1.02 
17.88 
73.61 
0.75 
18.50 
73.77 
6.98 
1. 15 
0.95 
18.70 
73.38 
6.97 
2. 12 
0.78 
16.60 
73.53 
9.09 
2. 50 
2. 23 
16. 02 
Fixed carbon 
72. 55 
7.49 
1.10 
9.20 
r ( Sulphur 
1.87 
4.24 
78.83 
1.38 
4.48 
Cal 
orific value determined: 
8,019 
7,993 
14, 387 
7, 639 
13,750 
14,434 
I Cal 
a 
orific value calculated from ultimate 
nalysis: 
13,819 
.. 
Bull. 261—05 '4 
