Skip to main content

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