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. Author manuscript; available in PMC: 2021 Dec 8.

Published in final edited form as: Nanoscale. 2020 Dec 8;12(46):23700–23708. doi: 10.1039/d0nr06296k

Table 1.

Vibrational Band Analysis and Corresponding Uranyl Speciation Assignments.

Raman		SERS		${\bar{v}}_{Raman} - {\bar{v}}_{SERS}$ (Δcm⁻¹)
Solution Species	$\bar{v}$ (Δcm⁻¹)	Assignment	$\bar{v}$ (Δcm⁻¹)	${\bar{v}}_{Raman} - {\bar{v}}_{SERS}$ (Δcm⁻¹)
UO₂²⁺	870±1	UO₂(bi-COO)⁺	851±1	19±1
UO₂OH⁺	848±2	UO₂(bi-COO)⁺	851±1	3±2
UO₂²⁺	870±1	UO₂(mono-COO)(bi-COO)	839±1	31±1
UO₂OH⁺	848±2	UO₂(mono-COO)(bi-COO)	839±1	9±2
UO₂OH⁺	848±2	UO₂OH(mono-COO)	827±1	21±2