Table T2.
Values of coefficient K.
Oxide
K
(wt%)
SiO
2
4.672
TiO
2
5.995
Al
2
O
3
5.294
Fe
2
O
3
6.990
FeO
7.769
MnO
7.743
MgO
6.030
CaO
7.146
Na
2
O
7.419
K
2
O
8.302
P
2
O
5
4.365
H
2
O
1.119
CO
2
2.730
Note: K = 0.166
x
a
i
x
R
o
.
