32 
EXPERIMENTAL WORK IN FUEL TESTING. 
Determinations of ash and sulphur in coal samples variously treated — Continued. 
INDIANA NO. 11. 
[Unwashed coal (boiler-test sample, No. 2421)— ash, 8.60; sulphur, 1.61.] 
Portion. 
Ash. 
Sulphur. 
Compared with 
original sample. 
Ash. Sulphur. 
80.9 
72.4 
4.9 
3.4 
6.10 
25. 90 
54.34 
1.22 
2.78 
10.14 
4.42 
1.27 
1.85 
0.88 
1.35 to 1.65... 
. 14 
.34 
$j inch and finer 
18.7 
9.7 
9.0 
.83 
1.25 
.16 
13.69 
2.30 
.21 
9.62 
1.73 
KENTUCKY NO. 6. 
[Unwashed coal (boiler-test sample, No. 2662) — ash, 3.15; sulphur, 0.44.] 
1 inch to Jg inch 
Lighter than 1.35. 
1.35 to 1.65 
Heavier than 1.65 
4 inch and finer 
Very fine, decanted 
Remainder 
88.4 
9.8 
6.0 
3.9 
2.27 
27.30 
71.61 
0.56 
.71 
.85 
2.01 
.15 
.43 
3.05 
MISSOURI NO. 5. 
[Unwashed (boiler-test sample, No. 2892)— ash, 16.94; sulphur, 5.60.] 
91. 5 
74.7 
8.4 
9.4 
6.86 
23.13 
55. 85 
3.17 
6.97 
16.28 
5.12 
1.94 
5.25 
2 37 
1.35 to 1.65 
.59 
Heavier than 1.65 
1.53 
8.2 
3.3 
4.9 
Very fine, decanted « 
Remainder 
.57 
1.24 
.19 
25.30 
10.28 
10. 12 
6.73 
4.10 
3.94 
.33 
tVashed at lj-inch size: 
Sample No. 1 
No. 2 
14.12 
5.01 
MISSOURI NO. 6. 
[Unwashed coal (boiler- test sample, No. 2927)— ash, 11.67; sulphur, 5.52.] 
89. 2 
79.6 
7.0 
6.1 
Lighter than 1.35 
6. 96 
21.08 
46.89 
3.69 
8.33 
20.81 
5.54 
1.48 
2.86 
2.94 
1.35 to 1.65 
.58 
Heavier than 1.65 
1.27 
£s inch and finer 
10.4 
2.0 
8.4 
Verv fine, decanted a 
.23 
1.39 
.11 
Remainder 
16.55 
6.66 
.56 
11.50 
5.46 
a Estimated from results on unwashed coal. 
