Table 1 Elemental composition of the original chromium-contaminated soil.

From: Application of iron-loaded activated carbon electrodes for electrokinetic remediation of chromium-contaminated soil in a three-dimensional electrode system

Ca

O

Si

Al

Cr

Fe

Mg

S

K

12.2

42.9

11.9

7.3

9.4

7.6

5.8

1.4

0.6

Na

Ti

Ni

V

Sr

P

Zn

Co

Zr

0.3

0.3

0.06

0.06

0.05

0.04

0.04

0.04

0.01

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