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Table 2 Adsorption capacity of silica surface, in situ immobilized by 4-vinylpyridine-styrene copolymer towards of Cu(II), Pb(II), Fe(III), and Ni(II) ions in the static mode

From: Synthesis and Adsorption Properties of 4-Vinylpyridine and Styrene Copolymer In Situ Immobilized on Silica Surface

Ion

Adsorption capacity

Silica

Synthesized composite

mmol/g

mg/g

mmol/g

mg/g

Fe(III)

0.008

0.45

0.027

1.53

Pb(II)

0.002

0.41

0.075

15.54

Ni(II)

0.008

0.47

0.074

4.34

Cu(II)

0.005

0.32

0.029

1.84

  1. Experimental conditions: mass of sorbents—0.1 g, volume of solution—25 mL

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