Sorption of Radionuclides onto Cerium(IV) Hydrogen Phosphate Ce(PO4)(HPO4)0.5(H2O)0.5


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Аннотация

The ability of cerium(IV) hydrogen phosphate Ce(PO4)(HPO4)0.5(H2O)0.5 to adsorb radionuclides was studied. The degree of sorption from aqueous solutions exceeds 95% at pH > 7 for Np(V), at pH > 9 for Sr(II), at pH > 5 for Am(III) and U(VI), and at pH > 2 for Th(IV). The radionuclides are rapidly and quantitatively leached from the sorbent surface in acid solutions; i.e., the sorption is reversible.

Авторлар туралы

A. Romanchuk

Moscow State University

Хат алмасуға жауапты Автор.
Email: romanchuk.anna@gmail.com
Ресей, Moscow

T. Shekunova

Moscow State University; Kurnakov Institute of General and Inorganic Chemistry

Email: romanchuk.anna@gmail.com
Ресей, Moscow; Leninskii pr. 31, Moscow, 119991

A. Larina

Moscow State University

Email: romanchuk.anna@gmail.com
Ресей, Moscow

O. Ivanova

Kurnakov Institute of General and Inorganic Chemistry

Email: romanchuk.anna@gmail.com
Ресей, Leninskii pr. 31, Moscow, 119991

A. Baranchikov

Moscow State University; Kurnakov Institute of General and Inorganic Chemistry

Email: romanchuk.anna@gmail.com
Ресей, Moscow; Leninskii pr. 31, Moscow, 119991

V. Ivanov

Moscow State University; Kurnakov Institute of General and Inorganic Chemistry

Email: romanchuk.anna@gmail.com
Ресей, Moscow; Leninskii pr. 31, Moscow, 119991

S. Kalmykov

Moscow State University; Vernadsky Institute of Geochemistry and Analytical Chemistry

Email: romanchuk.anna@gmail.com
Ресей, Moscow; ul. Kosygina 19, Moscow, 119991

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