ADAPTABILITY TO WASHING. 
33 
Determinations of ash and sulphur in coal samples variously treated — Continued. 
OHIO NO. 1. 
[Unwashed coal (boiler-test sample, No. 2136)— ash, 16.91; sulphur, 5.34.] 
Portion. 
Ash. 
Sulphur. 
Compared with 
original sample. 
Ash. 
Sulphur. 
87.0 
57.5 
16.8 
7.3 
12.9 
7.3 
5.7 
Lighter than 1.35 
5.97 
18.91 
54.35 
2.91 
5. 87 
15.01 
3.43 
3.18 
3.97 
1 67 
1.35 to 1.65 
98 
1 10 
Very fine, decanted a 
1.23 
1.69 
.39 
29.56 
9.20 
7.04 
3.98 
40 
Washed at 1^-inch size: 
Sample No. 1 
13.50 
4.54 
OHIO NO. 5. 
[Unwashed coal (boiler-test sample, No. 2101)— ash, 8.02; sulphur, 1.65. 
4 inch and ^ inch 
Lighter than 1.35 
90.8 
78.1 
7.5 
3.4 
4.77 
17.33 
69.67 
1.39 
2.53 
3.72 
3.73 
1.30 
2.37 
1.09 
1.35 to 1.65 
.19 
Heavier than 1.65 
.13 
3 ' 5 inch and finer 
8.9 
6.4 
2.6 
Very fine, decanted a 
.51 
.33 
.10 
Remainder 
12.70 
2.74 
.07 
8.24 
1.58 
PENNSYLVANIA NO. 8. 
[Unwashed coal (boiler-test sample, No. 2446)— ash, 6.33; sulphur, 0.89.] 
u inch to ^ inch 
78.5 
71.0 
4.8 
1.6 
5. 02 
21.19 
51.98 
0.58 
1.49 
8.36 
3.56 
1.02 
.83 
0.41 
1 35 to 1 65 
.07 
Heavier than 1.65 
.13 
21.2 
12.6 
8.6 
Very fine, decanted « 
.80 
.65 
.11 
Remainder 
7.51 
1.10 
.(9 
6.86 
.81 
PENNSYLVANIA NOS. 7 A AND 7 B. 
[Unwashed coal (boiler-test sample, No. 2182)— ash, 11.36; sulphur, 1.68.] 
90.6 
73.5 
14.6 
1.1 
Lighter than 1 35 
8.81 
23. 12 
43.65 
1.40 
2.03 
9.71 
6.48 
3.38 
.48 
1.03 
1.35 to 1.65 
.30 
.11 
9.0 
7.4 
1.7 
.SI 
.21 
. 13 
Remainder 
12. 53 
10.62 
11.36 
3 59 
1.63 
1.68 
.00 
Washed at U-inch size: 
11.39 
1.63 
No. 2.. 
a Estimated from results on unwashed coal. 
