Table 1 Characteristic bands of sublates obtained after the separation by sorption/precipitate flotation of U(VI) from Cr (VI), Cu(II), and Mo(VI).

Characteristic bands, cm⁻¹									Characteristic bands attribution	References
Sample I	Sample A	Sample B	Sample C	Sample E	Sample D	Sample F	Sample G	Sample H	Characteristic bands attribution	References
3609- 3305 3037	3609- 3305 3037	3609- 3305 3037	3679- 3218 3048	3692- 3246 3034 (s)	3685- 3212 3041	3685- 3233 3048	3685- 3233 3048	3678- 3240 3048 (s)	ν_{OH non-assoc} ν_{OH assoc} ν_HOH	^78,79,80,81
2854 2728	2854 2728	2854 2724	2857 2729	2850 2701	2850 2723 1964	2843 2715 2347	2843 2715 2347	2850 2701 2347	ν_CH	⁸⁰
1634	1620	1634	1632	1639	1639	1632	1639	1639	δ_OH, δ_HOH	^79,81
1486*	1521	1542 1493*	1512 1335*	1518 1327*	1519 (s) 1328*	1540 (s) 1306*	1526 (s) 1328*	1512 1327*	\({\nu }_{{CO}_{3}^{2-}}\) \({\nu }_{{COO}^{-}}^{*}\)	^80,82
1000–800	–	957 858	903	–	–	–	–	–	\({\delta }_{{CO}_{3}^{2-}}\)	^80,82
^b682 ^b647 ^b612	^a703 626	^a703 ^c619	^d683	^d690	^f669	^d683	676	669	^{a, b} (ν_Fe-O, δ_Fe-O) ^cFe-CO in the same plane complex [(UO₂)₂(OH )₂]²⁺ + CO₃²⁻ ^fν_Cu-O, δ_Cu-O	^83,84,85
569 534	556 527	534	506	541	556 506	542	542	563	ν_Fe-O	^79,83,84
499 463	478	485	414	470		428	421	470	δ_Fe-O	^79,86,87,88

Where : Sample I = Fe₂O₃·nH₂O symbolized as Fe (III); Sample A = Fe(III) + U(VI); Sample B = Fe(III) + U(VI) + Cr(VI); Sample C = Fe(III) + U(VI) + Cu(II); Sample E = Fe(III) + U(VI) + Mo(VI); Sample D = Fe(III) + U(VI) + Cr(VI) + Cu(II); Sample F = Fe(III) + U(VI) + Cr(VI) + Mo(VI); Sample G = Fe(III) + U(VI) + Cu(II) + Mo(VI); Sample H = Fe(III) + U(VI) + Cr(VI) + Cu(II) + Mo(VI).

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