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Journal of Chemistry
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2016
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Article
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Tab 4
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Research Article
Effects of Cu(II) on the Adsorption Behaviors of Cr(III) and Cr(VI) onto Kaolin
Table 4
Effects of Cu(II) on Cr(III) and Cr(VI) adsorption onto kaolin under different pH values.
pH
2.0
3.0
4.0
5.0
6.0
7.0
Cr(III)
1.59
2.06
1.80
1.74
1.53
1.31
PE (%)
58.7
106
80.0
73.5
52.9
30.6
Cr(VI)
0.91
0.35
0.07
0.15
0.18
0.51
IE (%)
9.14
64.8
93.0
84.7
82.4
49.5