Table 2 Illustration of Energy Dispersive Spectroscopic (EDS) analysis of GO/UiO-66-NDC nanocomposite (a) before and (b) after the adsorption of hexavalent chromium

From: Adsorption and DFT investigations of Cr(VI) removal using nanocrystals decorated with graphene oxide

Before Adsorption

After Cr (VI) adsorption

Element

Weight %

Atomic %

Element

Weight %

Atomic %

C K

49.61

70.88

C K

53.04

69.01

O K

20.98

23.32

O K

27.93

27.28

Zr L

29.41

5.80

Cr K

3.40

1.02

 

Zr L

15.63

2.68

Totals

100.00

 

Totals

100.00