Binding Characteristics and Dissociation Kinetics for Iron(II) Complexes with Seawater Extractable Organic Matter and Humic Substances in a Compost

Iwai, Hisanori; Fukushima, Masami; Yamamoto, Mitsuo

Analytical Sciences, 2012, 28(8), 819-821

Permalink : https://hdl.handle.net/2115/50358

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アクセス権	open access
URI	https://hdl.handle.net/2115/50358
タイトル	Binding Characteristics and Dissociation Kinetics for Iron(II) Complexes with Seawater Extractable Organic Matter and Humic Substances in a Compost
著者	Iwai, Hisanori ; Fukushima, Masami ; Yamamoto, Mitsuo
著者名 Iwai, Hisanori
e-Rad_Researcher 40344113 著者名 Fukushima, Masami
著者名 Yamamoto, Mitsuo
言語	英語
発行日	2012-08
出版者	Japan Society for Analytical Chemistry
収録物名	Analytical Sciences
巻(号)	28(8)
ページ	819-821
抄録	A steel-slag/compost fertilizer can be useful in supplying complex Fe(II) species to barren coastal regions. Seawater extractable organic matter (SWEOM) was examined for use as a novel chelator of Fe(II) in the compost. The dissociation kinetics for Fe(II)-SWEOM were evaluated, based on the rate of ligand-exchange with ortho-phenanthroline. The ΔH‡ for the Fe(II)-SWEOM (19 kJ mol^[-1]) was significantly smaller than the corresponding values for Fe(II) complexes with humic substances (27 kJ mol^[-1]), suggesting that the Fe(II)-SWEOM is kinetically less stable.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
PISSN	0910-6340
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.2116/analsci.28.819