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DIGITAL.CSIC
Article . 2010 . Peer-reviewed
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Comparación de métodos de fraccionamiento de formas de oxihidroxidos de Fe y Mn en suelos y productos de síntesis

Authors: García de Jalón Comet, Ángel; Alberto Giménez, Francisco;

Comparación de métodos de fraccionamiento de formas de oxihidroxidos de Fe y Mn en suelos y productos de síntesis

Abstract

[ES] Se ha estudiado el fraccionamiento de las diversas formas de hierro y manganeso por dos métodos químicos; extracción por HCl en gradiente de concentración y extracciones sucesivas con un mismo extractante (HCl 4N), sobre un grupo de materiales sintéticos procedentes de envejecimiento en diversas condiciones de hidróxido de hierro o hidróxidos de hierro y manganeso, perfectamente caracterizados y sobre algunos horizontes de suelos típicos. Los resultados indican una buena concordancia entre los dos métodos para los productos sintéticos y suelos cuando ambos métodos separan dos o a lo sumo tres componentes distintos por material y una correspondencia menos estrecha cuando los materiales son más complejos. Se discuten las razones de la falta de paralelismo entre ambos métodos y las ventajes de cada uno.

[EN] The fractionation of different iron and manganese forms has been studied by two chemical methods: extraction by a gradient of concentration with HCl and successive extractions with the same extractor (HCl 4N) on a group of synthetic materials from aging in different conditions of iron hydroxide or iron and manganese hydroxide, and on horizons of some soil types. The result show a good correlation between the two methods for the synthetic products and soils, when both methods separate two or at the most three different components per material. However, the results show a poorer correlation when the materials are more complex. The reasons for the lack of parallelism between both methods and the advantages of each one are discussed.

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
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