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nN(du)ÓЧӰ
n/
|
NaOH
|
NaHCO3
|
Na2CO3
|
K2CO3
|
0
|
8.96
|
8.96
|
8.96
|
8.96
|
2
|
9.45
|
9.01
|
9.04
|
9.08
|
5
|
9.59
|
9.24
|
9.26
|
9.27
|
8
|
9.61
|
9.33
|
9.42
|
9.46
|
10
|
9.63
|
9.55
|
9.57
|
9.64
|
12
|
9.65
|
9.60
|
9.62
|
9.67
|
n/%
|
NaOH
|
NaHCO3
|
Na2CO3
|
K2CO3
|
0
|
1090
|
1090
|
1090
|
1090
|
2
|
995
|
1021
|
998
|
956
|
5
|
950
|
985
|
906
|
897
|
8
|
865
|
956
|
887
|
879
|
10
|
801
|
912
|
760
|
758
|
12
|
720
|
865
|
701
|
689
|
̿Ʒ
|
5% NaOH
|
10% Na2CO3
|
δAC
|
(yng)ǰpH
|
9.59
|
9.57
|
8.96
|
(yng)pHo(w)
|
9.08
|
9.47
|
8.37
|
(yng)pH
|
8.78
|
9.12
|
7.51
|