Number
Component
Content
Number
Component
Number
1
Al
2
O
3
7.691%
6
MnO
0.106%
2
SiO
2
30.220%
7
Fe
2
O
3
10.258 %
3
P
2
O
5
0.470%
8
Br
0.191%
4
SO
3
4.499%
9
CaO
36.946 %
5
K
2
O
7.147%
10
TiO
2
1.318%
6
MgO
1.154%
Table 3:
Characteristics of a mineral part of fuel shales in Leningrad field (excluded the organic part).