. 2021 Sep 8;6(37):23913–23923. doi: 10.1021/acsomega.1c02925

Table 2. Quantitative Analysis of Valance State Elements (%) from XPS Spectra of Fresh and Spent TUF_0.46 Sorbents.

sample	Fe³⁺	Fe²⁺	O^2–	O*	C=O	C–O
fresh	87.2	11.6	29.3	48.7	26.5	9.43
spent	74.3	18.4	9.7	61.1	11.2	20.1

Table 2. Quantitative Analysis of Valance State Elements (%) from XPS Spectra of Fresh and Spent TUF0.46 Sorbents.