Environmental Engineering Reference
In-Depth Information
TABLE 7.1
Summary of Effects of Inorganic Compounds on Cement Hydration
Sodium or Potassium
Calcium
Magnesium
Other
-\+
Silicate
Na
2
O.xSiO
2
D
A
3,8
,D
3CaO.SiO
2
A
2CaO.SiO
2
A
A
3,8
Most
A
19,J
Aluminate
NaAlO
2
A
3,8
CaO.Al
2
O
3
A
3CaO.Al
2
O
3
A
4CaO.Al
2
O
3
.Fe
2
O
3
Other
A
A
3,8
R
15
A
3,8
Most
Metal
G
A,AA
3,8
, A
19,J
D
3,8
Oxide
CaO
A,D
15
MgO
F
A,D
3,8
Fe,Al
A
18
Hydroxide
NaOH
KOH
Ca(OH)
2
A
A
18
Most
A
3,8, 19,J
A
3,8
Carbonate
Na
2
CO
3
B
K
2
CO
3
B
NaHCO
3
KHCO
3
CaCO
3
A,R
15
Most
R(C
3
A)
3,8
, A
19,J
R,A,0,AA
18
R,A
3,8
Sulfate
Na
2
SO
4
K
2
SO
4
A
3,8
R
20
CaSO
4
.2H
2
O
CaSO
4
.
1
H
2
O
R,D
3,8
A,F,D
3,8
A,F,D
3,8
A
15
MgSO
4
F
D
3,8
Most
E
A,F
3,8
R(C
3
A)
3,8
2
CaSO
4
CaK
2
(SO
4
)
2
.H
2
O
Chloride
NaCl
A
3,8
, R
4,20
CaCl
2
R(<1%)
18
A(~2%)
3,8
AA(>3%)
18
MgCl
2
A,D
3,8
AlCl
3
NH
4
Cl
G
Most
A
3,8
R(<2%),A(>2%),D
3,8
R(<1%)
3,8
A(>1%)
3,8
AA(3-5%)
3,8
D
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