Salt

[Cr(VI)] (mg/l)

[Salt] (g/l)

C_e (mg/l)

Q_e (mg/g)

A_eq (%)

NaCl

5.0

0

0.2185

0.2391

95.63

5

0.2819*

0.2359

94.36

10

0.4087***

0.2296

91.83

20

0.5708****

0.2215

88.58

7.5

0

0.8598

0.3320

88.54

5

1.1276*

0.3186

84.97

10

1.4376**

0.3031

80.83

20

1.8745****

0.2813

75.01

Na₂SO₄

5.0

0

0.2185

0.2391

95.63

5

0.4972**

0.2251

90.42

10

0.2960*

0.2352

94.08

20

0.0987

0.2451

98.03

7.5

0

0.8598

0.3320

88.54

5

0.2678

0.3616

96.43

10

0.1382

0.3681

98.16

20

0.1263

0.3687

98.32

KNO₃

5.0

0

0.2185

0.2391

95.63

5

0.5567***

0.2222

88.87

10

0.7259****

0.2137

85.48

20

1.1783****

0.1911

76.43

7.5

0

0.8598

0.332

88.54

5

1.4235**

0.3038

81.02

10

1.9168***

0.2792

74.44

20

2.5652****

0.2467

65.80