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Table 5 Results of desorption of PSD

From: Adsorption behavior of Cr(VI) by biomass-based adsorbent functionalized with deep eutectic solvents (DESs)

No

Desorbing agents

Desorption efficiency/%

1

Deionized water (pH = 2)

0.37

2

Deionized water (pH = 4)

0.23

3

Deionized water (pH = 6)

0.59

4

Deionized water (pH = 10)

2.22

5

Deionized water (pH = 12)

2.89

6

0.1 mol L−1 HAc

0.26

7

0.1 mol L−1 NaOH

8.77

8

0.1 mol L−1 EDTA

0.46