1913-14.] The Organic Matter in Oil-Shales. 
195 
IV. — Determination of Ash. 
No. of Shale. 
Weight 
taken. 
I 
Ash. 
Ash 
per cent. 
1 
Ash 
per cent. 
(Average.) 
1(a) 
•2025 
•1655 
81-73 
(&) 
•1995 
•1629 
81*65 
81*69 
2(a) 
•2054 
•1629 
79-30 
W 
•1965 
•1553 
79-02 
79-16 
3 (a) 
•2013 
•1514 
75-21 
W 
•1998 
•1496 
74-87 
75*04 
4(a) 
•2032 
•1506 
74-11 
(6) 
•1982 
•1469 
74-13 
74*12 
5 (a) 
•2027 
1455 
71-78 
W 
•1974 
•1430 
72-43 
72-11 
6(a) 
•2002 
•1493 
74-58 
(6) 
•2009 
•1499 
74*64 
74-61 
7(a) 
•2050 
•1413 
68-92 
(6) 
•2070 
•1418 
68-48 
68-70 
8(a) 
•2023 
•1674 
82-75 
(6) 
•1962 
•1612 
82-15 
82-45 
9(a) 
•1997 
•1215 
60-81 
(6) 
•1997 
•1216 
60-87 
60-84 
10 (a) 
•6994 
•1237 
17*68 
(&) 
•6998 
•1234 
17-63 
17-66 
11(a) 
*7036 
•1581 
22-47 
(6) 
*7063 
•1586 
22-46 
22-47 
12 (a) 
•2009 
•1669 
83-10 
W 
•2007 
•1659 
82-68 
82-89 
13 (a) 
•1961 
•1653 
84*29 
(6) 
•1963 
•1656 
8435 
84-32 
V. — Correction for Hydrogen Minerals. 
N T o. of Shale. 
Weight 
taken. 
Weight 
of Water. 
Hydrogen 
per cent, to 
be deducted. 
Ash 
per cent, to 
be deducted. 
1 
1-1199 
•0094 
0*09 
0-84 
2 
■9110 
•0034 
0-04 
0-37 
3 
1-0799 
•0054 
0-06 
0-50 
4 
•9638 
■0038 
0-04 
0-39 
5 
•8944 
•0048 
0-06 
0-54 
6 
1-0090 
•0046 
0-05 
0-46 
7 
•6948 
•0042 
007 
0-60 
8 
1-0027 
•0065 
0-07 
063 
9 
•5275 
•0056 
0-12 
1-06 
10 
•5310 
•0038 
0-08 
0-72 
11 
•6088 
•0030 
005 
0-49 
12 
1-0041 
•0135 
0-15 
1-35 
13 
1-0303 
•0107 
012 
1-04 
