Dissolution of allophane by acid oxalate solution
Toshio Higashi,Hiroshi Ikeda +1 more
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This article is published in Clay science.The article was published on 1974-01-01 and is currently open access. It has received 76 citations till now. The article focuses on the topics: Allophane & Oxalate.read more
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Allophane and imogolite: role in soil biogeochemical processes
TL;DR: The literature on the formation, structure and properties of allophane and imogolite is reviewed in this article, with particular emphasis on the seminal contributions by Colin Farmer, and the conditions required for the precipitation of Allophane, including pH, availability of Al and Si, rainfall, leaching regime and reactions with organic matter.
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Comparison of an oxalate-extraction methon and an infrared spectroscopic method for determining allophane in soll clays
Roger L. Parfitt,Teruo Henmi +1 more
TL;DR: In this article, the day fractions of nine New Zealand soils and an andesitic pumice, separated using minimal prctreatment, were examined by infrared spectroscopy (IR) and by dissolution in acid oxalate and pyrophosphate reapnts.
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Surface Properties of Allophane, Halloysite, and Imogolite
TL;DR: In this paper, the adsorption of allophane, imogolite, and halloysite has been studied in relation to the surface structure of the mineral samples.
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Weathering sequence of soils from volcanic ash involving allophane and halloysite, New Zealand
TL;DR: In this paper, a new weathering scheme for volcanic ash in New Zealand is presented, which is based on oxalate dissolution, infrared spectroscopy, differential thermal analysis, electron microscopy and X-ray diffraction.
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