ADAPTABILITY TO WASHING. 
Determinations of ash and sulphur in coal samples variously treated — Continued. 
WEST VIRGINIA NO. 13. 
[Unwashed coal (boiler-test sample, No. 2058)— ash, 3.93; sulphur, 0.96.] 
35 
Portion. 
Ash. 
Sulphur. 
Compared with 
original sample. 
Ash. 
Sulphur. 
| inch to jV inch 
93.6 
89.1 
2.2 
1.7 
2.41 
20. 72 
70.16 
0.83 
1.27 
2.59 
2.15 
.46 
1.19 
74 
1.35 to 1.65 
04 
6.1 
3.6 
2.5 
.14 
.24 
04 
9.64 
1.08 
03 
4.18 
.88 
WEST VIRGINIA NO. 14. 
[Unwashed coal (boiler-test sample, No. 2052)— ash, 2.27; sulphur, 1.07.] 
88.6 
84.4 
1.0 
1.0 
11.1 
7. 7 
3.4 
1.52 
14. 52 
58.60 
0.88 
2.11 
13.45 
1.28 
.15 
.59 
74 
1.35 to 1.65 
.02 
.13 
.17 
.24 
.08 
7.10 
1.89 
.07 
2.43 
1.04 
WEST VIRGINIA NO. 18. 
[Unwashed coal (boiler-test sample, No. 2607)— ash, 6.21; sulphur, 0.67.] 
91.0 
86.0 
3.0 
1.0 
Lighter than 1.35 
4.88 
22.81 
62.55 
0.68 
.50 
.57 
4.20 
.68 
.63 
0.59 
1.35 to 1.65 
.02 
Heavier than 1.65 
.01 
8.6 
6.1 
2.5 
.38 
.20 
.04 
Remainder 
7.97 
.83 
.02 
6.09 
.68 
WYOMING NO. 2 B. 
[Unwashed coal (boiler-test sample, No. 2164)— ash, 21.38; sulphur, 4.41.] 
94.0 
62.1 
21.4 
12.1 
10.85 
31.84 
64.30 
4.34 
3.27 
6.48 
6.77 
6.81 
7.78 
2.70 
1.35 to 1.65 ... 
.70 
.78 
5.9 
3.3 
2.6 
.71 
.82 
.15 
31.45 
4.41 
.11 
22. 89 
4.44 
a Estimated from results on unwashed coal. 
