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Table 1 Kd(ml/g) of metal ions on lanthanum tungstate as a cation exchange material

From: Selective and sensitive determination of Cd(II) ions in various samples using a novel modified carbon paste electrode

No. Metal ions De-mineralized water 0.1 M HNO3 0.5 M HNO3
1 Cd(II) 1650.0 1100.5 920.0
2 Al(III) 149.2 130.5 56.5
3 Ag(I) 350.0 320.2 230.5
4 Na(I) 120.0 105.5 89.5
5 Sr(II) 200.5 185.5 79.5
6 Fe(III) 120.5 102.5 89.5
7 Mn(II) 130.5 90.6 60.5
8 Pb(II) 156.5 110.2 48.6
9 Co(II) 137.5 109.2 86.5
10 Gd(III) 210.3 189.5 120.5
11 Zn(II) 156.5 125.3 99.8
12 Cu(II) 158.6 118.5 89.5
13 Hg(II) 210.4 189.3 102.5
14 In(III) 102.2 89.5 75.8
15 La(III) 410.7 320.3 269.5
16 Ni(II) 284.5 210.5 185.5
17 Be(II) 215.9 160.5 120.5
18 Cs(I) 132.5 85.9 55.9
19 Bi(III) 215.5 160.2 120.2
20 Sm(III) 410.5 320.5 250.2
21 Th(IV) 550 451 375