Desorbent

Adsorbed Cr(III) (mg)

Adsorbed Cr(III) (%)

Desorbed Cr(III) (mg)

Desorbed Cr(III) (%)

0.01 M-HCl

343 ± 3

73.3 ± 0.6

122 ± 2

35.4 ± 0.8

0.1 M-HCl

334 ± 2

71.4 ± 0.5

144 ± 3

43.1 ± 0.5

1 M-HCl

335 ± 3

71.6 ± 0.6

151± 2

45.2 ± 0.2

0.01 M-Na2CO3

333 ± 3

71.2 ± 0.6

14 ± 1

4.2 ± 0.2

0.1 M-Na2CO3

334 ± 2

71.4 ± 0.5

46 ± 1

13.6 ± 0.3

1 M-Na2CO3

334 ± 3

71.4 ± 0.5

80 ± 1

23.8 ± 0.1