Probing Uranium(IV) Hydrolyzed Colloids and Polymers by Light Scattering

Table 1

Concentration of U(IV) and pH at the onset of colloid formation, intensity average size (𝑑₅₀), and pH at maximum colloid formation.

[U(IV)] in mM	pH at initial colloid formation	𝑑50 in nm	pH at maximum colloid formation
0.4202	Colloids not observed	—	—
1.2605	Colloids not observed	—	—
2.5210	3.46	20.59	—
3.7815	2.85	15.12	4.25
5.2100	2.74	15.46	4.20
6.5126	2.67	10.37	4.17
7.8151	2.52	10.02	3.30
9.1176	2.44	10.60	3.03
13.0	2.10	4.31	2.51
19.0	1.84	5.16	1.95