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. 2020 Dec 3;10:21027. doi: 10.1038/s41598-020-78138-z

Table 5.

Element atomic ratio before and after adsorption under different concentrations of Zn2+.

Element 0 mg/L Zn2+ 100 mg/L Zn2+ 200 mg/L Zn2+
C 71.92 65 76.5
O 22.45 22.47 21.11
P 2.22 2.52 3.08
Zn 0 0.98 0.15