Table 2. EXAFS structural parameters of the comparative samples.

Errors in distances are ±0.02 Å. Errors in coordination numbers are ±25% and standard deviations as estimated by EXAFSPAK are given in brackets.

Sample	Shell	N	R (Å)	Debye–Wallerfactor (Å2)	R-factor (%)
(CH3COO)2UO2	Oax	2	1.76 (1)	0.06 (1)	2.49
	Oaq	2.68 (1)	2.38 (4)	0.01 (1)
Cellulose phosphate	Oax	2	1.79 (1)	0.03 (1)	0.29
	Oaq	3.32 (1)	2.29 (2)	0.07 (0)
Si-TAAcOH	Oax	2	1.80 (1)	0.04 (1)	1.72
	Oaq	4.63 (4)	2.20 (1)	0.15 (0)
Si-Cysteine	Oax	2	1.79 (1)	0.09 (1)	0.07
	Oaq	2.08 (1)	2.11 (3)	0.08 (0)
Si-Amine	Oax	2	1.81 (1)	0.04 (1)	0.07
	N	3.34 (2)	2.38 (7)	0.01 (0)
Si-DMT	Oax	2	1.80 (1)	0.07 (2)	0.18
	N	2.12 (2)	2.19 (4)	0.06 (0)
Si-Imidazole	Oax	2	1.82 (1)	0.07 (2)	2.36
	N	2.83 (1)	2.13 (3)	0.06 (0)
Si-Thiol	Oax	2	1.80 (1)	0.02 (3)	0.94
	S	1.96 (1)	2.50 (2)	0.01 (0)