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The x-ray identification and crystal structures of clay minerals
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The article was published on 1961-01-01 and is currently open access. It has received 966 citations till now. The article focuses on the topics: Clay minerals.read more
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Acidez e hidroisomerización de heptano en una vermiculita colombiana modificada con aluminio acidity and hidroisomerization of heptane over a colombian vermiculite modified with aluminum
TL;DR: In this article, a Colombian vermiculite has been modified by means of a pillaring process, seeking to get a reduction of the interlayer charge, an acid treatment followed by calcinations was performed.
Journal ArticleDOI
The quantitative phase analysis of clay minerals by X-ray diffraction; modern aspects of industrial routine control
TL;DR: In this article, the authors used external standard mixtures, both natural and artificial, to evaluate the response of the X-ray equipment with time to a standard multiphase mixture, and thermal treatments were used to separate overlapping reflections in the low 20 region.
Journal ArticleDOI
Iron distribution in the clay fraction of cambisols as determined by Mössbauer spectroscopy, X-ray diffractometry and selective dissolution
TL;DR: The results obtained show that about 50 % of the Fet(6-10 % Fe) is not extracted by dithionite as mentioned in this paper, probably depending on the particle size and the Al-substitution level.
Book ChapterDOI
Clay Minerals in Thin Loess, Ohio River Basin, U.S.A.
TL;DR: In this paper, the authors describe the different aspects of the clay minerals in the thin loess of the Ohio River basin in the U.S.A. They find that extractable Ca and Mg and base saturation decrease to minimum values across the textural contact and then increase with depth.