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Table 5 The influence of pH on Cu (II) adsorption

From: Production and characterization of absorbent heat from the bark of residual Brazil nut bark (Bertholletia Excelsa l.)

pH

A Ce(mg L-1)

B Ce(mg L-1)

Ce (mg L-1)

MSEa

Qe (mg g-1)

R (%)

3.04

2.33

2.11

2.22

0.11

3.75

95.56

4.01

2.06

1.79

1.92

0.13

4.44

96.15

5.09

1.85

1.73

1.79

0.06

4.53

96.42

6.01

2.18

3.05

2.61

0.43

4.15

94.77

  1. aMean standard error
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BMC Chemistry

ISSN: 2661-801X

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