24
D. Gregurek et al.
Table 1
Chemical analysis of magnesia-chromite brick out of KIVCET furnace
wt%
Na
2 O
Al
2 O
3
MgO
SiO
2
SO a
3
CaO
Cr
2 O
3
Fe
2 O b
3
PbO
K
2 O
Hot face c
0.6
3.0
55.0
0.7
8.0
0.9
7.0
6.0
18.0
0.3
Unused d
6.5
58.0
0.6
1.3
19.0
14.0
a
sulfur calculated as SO
3
b
total iron calculated as Fe
2 O
3
c
standardless semiquantitative XRF analysis on original sample
d
quantitative XRF analysis on ignited sample (1050 °C)
D. Gregurek et al.
Table 1
Chemical analysis of magnesia-chromite brick out of KIVCET furnace
wt%
Na
2 O
Al
2 O
3
MgO
SiO
2
SO a
3
CaO
Cr
2 O
3
Fe
2 O b
3
PbO
K
2 O
Hot face c
0.6
3.0
55.0
0.7
8.0
0.9
7.0
6.0
18.0
0.3
Unused d
6.5
58.0
0.6
1.3
19.0
14.0
a
sulfur calculated as SO
3
b
total iron calculated as Fe
2 O
3
c
standardless semiquantitative XRF analysis on original sample
d
quantitative XRF analysis on ignited sample (1050 °C)