X-Ray Photoelectron Spectroscopy Investigation of Iron Oxides in the Xuancheng Laterite Profile and their Palaeoclimate Interpretations

Hanlie Hong (Editor)
China University of Geosciences, Hubei, Peoples Republic of China

Series: Chemistry Research and Applications
BISAC: SCI013000

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Volume 10

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Special issue: Resilience in breaking the cycle of children’s environmental health disparities
Edited by I Leslie Rubin, Robert J Geller, Abby Mutic, Benjamin A Gitterman, Nathan Mutic, Wayne Garfinkel, Claire D Coles, Kurt Martinuzzi, and Joav Merrick

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X-ray photoelectron spectroscopy (XPS) has been applied to assess the mineral composition of iron oxides in a laterite soil profile at Xuancheng, southeastern China, the profile is 10.4 meter thick and is subdivided into 18 lithological layers. Since the analysis is restricted to the particle surface, this technique is uniquely suitable to sensitively determine the fine particle iron components in soils directly, especially those coating on clay mineral surfaces, and avoiding dissolving and recrystallizing of iron oxides during the treating processes of selective dissolution techniques. This new book suggests that the content of goethite and the hematite/goethite ratio instead of total iron content can be used to probe the palaeoclimate conditions, and XPS method is efficient to detect the iron components in laterite soils. (Imprint: Nova)

ABSTRACT

1. INTRODUCTION

2. MATERIALS AND METHODS

3. RESULTS AND DISCUSSION

4. CONCLUSIONS

ACKNOWLEDGMENTS

REFERENCES

INDEX

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