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Depth profiles of potassium and its isotope ratio (K-40/K) in several forest soils

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Title: Depth profiles of potassium and its isotope ratio (K-40/K) in several forest soils
Authors: Fujiyoshi, Ryoko Browse this author →KAKEN DB
Satake, Yoshihiro Browse this author
Sumiyoshi, Takashi Browse this author →KAKEN DB
Keywords: Potassium
Isotope ratio
Forest soil
Multivariate factor analysis
Issue Date: Sep-2009
Publisher: Akadémiai Kiadó, co-published with Springer Science+Business Media B.V.
Journal Title: Journal of Radioanalytical and Nuclear Chemistry
Volume: 281
Issue: 3
Start Page: 553
End Page: 561
Publisher DOI: 10.1007/s10967-009-0036-4
Abstract: Depth profiles potassium and its isotope ratio (K-40/K) were investigated in several forest soils from different geological and climatic backgrounds. The ratio was found not to be constant (0.0117%) but varied appreciably from 0.0085 to 0.0167% among different soils. Possible factors affecting variability of K-40/K values were considered by a multivariate factor analysis which suggested that aqueous parameters like humidity and pH might be a controlling factor in the surface soils. The amount (and probably chemical forms) of iron oxide may be another one influencing K-40/K values in mineral components at deeper portions.
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 藤吉 亮子

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