Metal ions

Ci

Ce mg/L

Qe mg/g

Ce/Qe

logCe

logQe

Cadmium (II)

1

0.13

0.435

0.299

−0.886

−0.362

2

0.24

0.88

0.273

−0.620

−0.056

3

0.37

1.315

0.281

−0.432

0.119

4

0.48

1.76

0.273

−0.319

0.246

5

0.59

2.205

0.268

−0.229

0.343

6

0.71

2.645

0.268

−0.149

0.422

Chromium (VI)

1

0.14

0.43

0.326

−0.854

−0.367

2

0.31

0.845

0.367

−0.509

−0.073

3

0.44

1.28

0.344

−0.357

0.107

4

0.59

1.705

0.346

−0.229

0.232

5

0.76

2.12

0.358

−0.119

0.326

6

0.91

2.545

0.358

−0.041

0.406

Lead (II)

1

0.12

0.44

0.273

−0.921

−0.357

2

0.21

0.895

0.235

−0.678

−0.048

3

0.34

1.33

0.256

−0.469

0.124

4

0.43

1.785

0.241

−0.367

0.252

5

0.56

2.22

0.252

−0.252

0.346

6

0.65

2.675

0.243

−0.187

0.427