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Journal Articles

Sorption and reduction of Neptunium(V) on the surface of iron oxides

Nakata, Kotaro*; Nagasaki, Shinya*; Tanaka, Satoru*; Sakamoto, Yoshiaki; Tanaka, Tadao; Ogawa, Hiromichi

Radiochimica Acta, 90(9-11), p.665 - 669, 2002/12

 Times Cited Count:46 Percentile:5.99(Chemistry, Inorganic & Nuclear)

Sorption and desorption experiments of Np on magnetite and hematite under aerobic and anaerobic conditions were carried out to investigate the possibility of reduction of Np(V) to Np(IV) on the surfave of iron oxides including Fe(II). The results indicated that Np sorption mechanism on magnetite under anaerobic condition was completely different from that under aerobic condition. The evidence of the presence of Np(IV) on magnetite surface after sorption was obtained from the extraction experiment with TTA/xylene solution.

Journal Articles

Migration behavior of Np(V) in cementitious material

Sakamoto, Yoshiaki; ; *; *

Proc. of 7th Int. Conf. on Radioactive Waste Management and Environmental Remediation (ICEM'99)(CD-ROM), 5 Pages, 1999/00

no abstracts in English

Journal Articles

Extraction of Np(V) by N,N'-dimethyl-N,N'-dihexyl-3-oxapentanediamide

Sasaki, Yuji; G.R.Choppin*

Radiochimica Acta, 80(2), p.85 - 88, 1998/00

no abstracts in English

Journal Articles

Interaction between cementitious materials and Np(V) or Pu(IV)

*; Sakamoto, Yoshiaki; *; *

Genshiryoku Bakkuendo Kenkyu, 4(1), p.47 - 55, 1997/08

no abstracts in English

Journal Articles

Effects of humic acid on the sorption of neptunium(V) on kaolinite

*; Sato, Seichi*; Ohashi, Hiroshi*; Sakamoto, Yoshiaki; Onuki, Toshihiko; Nagao, Seiya; Muraoka, Susumu

Journal of Nuclear Materials, 248, p.328 - 332, 1997/00

 Times Cited Count:34 Percentile:8.59(Materials Science, Multidisciplinary)

no abstracts in English

JAEA Reports

Molecular size distribution of Np(V)-humate

Sakamoto, Yoshiaki; Nagao, Seiya; Tanaka, Tadao

JAERI-Research 96-055, 14 Pages, 1996/10

JAERI-Research-96-055.pdf:0.64MB

no abstracts in English

Journal Articles

Influence of carbonate on sorption of Np(V) onto soil

Sakamoto, Yoshiaki

Hoshasei Haikibutsu Kenkyu, 1(1), p.107 - 113, 1994/06

no abstracts in English

7 (Records 1-7 displayed on this page)
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