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Radiochimica Acta

International Journal for chemical aspects of nuclear science and technology

Editor-in-Chief: Qaim, Syed M.

IMPACT FACTOR 2018: 1.339

CiteScore 2018: 1.20

SCImago Journal Rank (SJR) 2018: 0.333
Source Normalized Impact per Paper (SNIP) 2018: 0.720

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Volume 96, Issue 9-11


Sorption of neptunium onto goethite in the presence of humic acids with different hydroquinone group content

Stepan N. Kalmykov / Thorsten Schäfer / F. Claret / I. V. Perminova / A. B. Petrova (Khasanova) / N. S. Shcherbina / Y. Al Teterin
Published Online: 2009-09-25 | DOI: https://doi.org/10.1524/ract.2008.1554


Neptunyl sorption in the ternary system of goethite–humic acid (HA)–Np was studied in a series of batch experiments with natural leonardite HA and a hydroquinone enriched derivative. The reduction of Np(V) at low pH has been observed by XPS upon interaction with hydroquinone-enriched leonardite HA–goethite suspension. Under these low pH conditions the formation of humate coatings at the goethite mineral surface has been identified using scanning transmission X-ray microscopy (STXM) at the carbon K-edge.

Keywords: Humics; Neptunium; Scanning transmission; X-ray microscopy; Colloids

About the article

* Correspondence address: Lomonosov Moscow State University, Chemistry department, Leninskie Gory, Radiochemistry division, Moscow 119992, Russische Föderation,

Published Online: 2009-09-25

Published in Print: 2008-11-01

Citation Information: Radiochimica Acta International journal for chemical aspects of nuclear science and technology, Volume 96, Issue 9-11, Pages 685–690, ISSN (Print) 0033-8230, DOI: https://doi.org/10.1524/ract.2008.1554.

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© by Oldenbourg Wissenschaftsverlag, Moscow 119992, Germany.Get Permission

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