46 
INDEX. 
Illinois coal Continued. 
No. 25, specific gravity of. 
sulphur in 
No. 26, specific gravity of. 
sulphur in 
No. 27, specific gravity of. 
sulphur in 
Page. 
23 
23 
23 
23 
23 
23 
Impurities, relation of, to specific gravity. . 24-28 
Indiana coal, ash in 6, 7, 22, 23, 31. 32, 41 
carbon in 41 
moisture in 7, 9, 10, 1 1 , 18, 19, 20, 22, 41 
specific gravity of 23 
sulphur in 22, 23, 31, 32, 41 
volatile matter in 41 
washing tests of 29, 31, 32, 41 
No. 3, moisture in 11 
No. 4, ash in 22,31 
moisture in 11,18,20,22 
sulphur in 22, 31 
washing tests of 31 
No. 5, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in ' 23 
No. 6, ash in 23, 31 
moisture in 9, 11 
specific gravity of 23 
sulphur in 23, 31 
washing tests of 31 
No. 7 A, ash in 23,31 
moisture in 11 
specific gravity of 23 
sulphur in 23, 31 
washing test of 29, 31 
No. 8, ash in 23 
moisture in 11, 18 
specific gravity of 23 
sulphur in . . . 23 
No. 9 A, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 9 B, ash in 23, 31 
moisture in 9, 11 
specific gravity of 23 
sulphur in 23, 31 
washing tests of 31 
No. 10, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
No. 11, ash in 23,32 
moisture in 11 
specific gravity of 23 
sulphur in 23, 32 
washing tests of 32 
No. 12, ash in 7, 23 
moisture in 7, 11 
specific gravity of 23 
sulphur in .. 23 
Indian Territory coal, moisture in 9, 11, 18 
No. 2 B, moisture in 9 ; 1 1 
Kansas No. 6, ash in 23 
moisture in 11 
specific gravity of 23 
sulphur in 23 
Page. 
Kentucky coal, ash in 23, 32, 40, 41 
carbon in 40, 41 
moisture in 9,11,40,41 
specific gravity of 23, 32 
sulphur in 23, 41 
volatile matter in 40, 41 
washing tests of 32 
No. 1, ash in 40 
carbon in 40 
moisture in 40 
No. 1 B, ash in 23 
specific gravity of 23 
sulphur in 23 
No. 1 C, volatile matter in 40 
No. 5, ash in 23 
moisture in 9, 11 
specific gravity of 23 
sulphur in 23 
No. 6, ash in 23,32 
moisture in 11 
specific gravity of 23, 32 
sulphur in 23 
washing tests of 32 
No. 7, ash in 23 
specific gravity of 23 
sulphur in 23 
Laboratory tests of washing 28-36 
Lignites, volatile matter in. See Volatile 
matter. 
Maryland No. 1, ash in 23. 25 
moisture in 11 
specific gravity of 23, 25 
sulphur in 23,25 
Massachusetts peat, ash in 22, 41 
carbon in 41 
moisture in 21,22,41 
sulphur in 22, 41 
volatile mattei in 41 
Mechanical loss in volatilization, amount of. 42 
Metal pails, loss of moisture in 6-7 
Mills, ball, grinding in, increase in ash due to. 8 
Missouri coals, ash in 8,23,32 
moisture in 8, 11 
specific gravity of 23 
sulphur in 23, 32 
washing tests of 32 
No. 5, ash in 32 
moisture in 11 
sulphur in 32 
washing tests of 32 
No. 6, ash in 8,23,32 
moisture in 8, 11 
specific gravity of C3 
sulphur in 23,32 
washing tests of 32 
No. 7, moisture in 11 
Moisture, determination of 6, 7 
check on 6 
effect of, on volatile-matter determina- 
tions 42-43 
loss and gain of 6-22 
See also Drying. 
New Mexico lignites, ash in 23 
moisture in 9, 11 
