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Local structure of rare earth elements (REE) in marine ferromanganese oxides by extended X-ray absorption fine structure and its comparison with REE in ion-adsorption type deposits

海洋中鉄マンガン酸化物におけるレアアースの局所構造についてEXAFS法による解明及びイオン吸着型鉱床との比較

長澤 真*; Qin, H.-B.*; 山口 瑛子  ; 高橋 嘉夫*

Nagasawa, Makoto*; Qin, H.-B.*; Yamaguchi, Akiko; Takahashi, Yoshio*

Speciation of rare earth elements (REE) in marine ferromanganese oxides (MFMO) was conducted by extended X-ray absorption fine structure (EXAFS) and sequential extraction to compare the enrichment mechanisms and extraction rates between MFMO and ion-adsorption type deposits, which can be reasonably explained by the formation of inner- and outer-sphere complexes in the two materials for yttrium and other REE.

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パーセンタイル:100

分野:Chemistry, Multidisciplinary

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