Environmental Engineering Reference
In-Depth Information
TABLE 7.2
Summary of Effects of Heavy Metal Compounds on Cement Hydration
Chromium(III)
Cadmium
Mercury
Lead
Zinc
Other Metals
-\+
Oxide
Cr
2
O
3
H
R
3,8,16
CdO
R
16
PbO
R
16,19
ZnO
R
3,8,19,24
Sulfate
ZnSO
4
I
A,R,I
3,8
BaSO
4
Most
R
3,8
A
3,8
Chloride
CrCl
3
H
A
16
CdCl
2
0
R
A
16
HgCl
2
A
3,8
ZnCl
2
R-set
12
A-UCS
12
NiCl
2
CuCl
2
A(1-3%)
22
A
20
Nitrate
Cr(NO
3
)
3
H
A
12,16,20,53
Cd(NO
3
)
2
0
3,8
R
6
Hg(NO
3
)
2
R
3,8
Pb(NO
3
)
2
R(<2%)
3,8,53
A(5-8%)
3,8
R(>10%)
3,8
0
12
Zn(NO
3
)
2
R (>2%)
3,8
R-set
20,53
A-UCS
20
Most
Mn
A
3,8
R
53
Other
Most
A(C
3
A)
3,8
Cd(OH)
2
Most
0,A
12
A
2
R
19
Most
R
2,3,8,19
Most
Metal
g
R
2,3,8,19
D
3,8
Ba
Co
Cu
La
Ni
Sb
Sn
Ti,Mn
Fe,Co,Ni
Chromate
h
Arsenate
Vanadate
A
3,8
,R(CO
3
)
23
,0
12
A
3,8
R
3,8,12
A
3,8,17
A
3,8
,0
12
R
3,8
R
19
0
19
0
19
A,R(C
3
A)
3,8
R
3,8,21
R
21
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