Chemical compound
specific area (m
2
/g)
CaO
SiO
2
Al
2
O
3
Fe
2
O
3
SO
3
K
2
O
MgO
Na
2
O
MnO
P
2
O5
TiO
2
Composition (%)
70
2,52
48,92
19,31
13,13
0,28
1,06
2,53
1,21
0,05
0,19
1,63
Table 2:
Physico-chemical characteristics of bentonite.
