Mobilization of X-ray amorphous and crystalline aluminum and iron phosphates by common soil extraction procedures

Jörg Prietzel

doi:10.1002/jpln.201600374

Mobilization of X-ray amorphous and crystalline aluminum and iron phosphates by common soil extraction procedures

Jörg Prietzel

Chair of Soil Science

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Soil extraction with 0.1 M NaOH completely dissolves X-ray amorphous as well as crystalline AlPO₄ and FePO₄. Extraction with acidic NH₄ oxalate completely mobilizes X-ray amorphous AlPO₄ and FePO₄ in addition to phosphate adsorbed to poorly-crystallized Al and Fe minerals, but only a minor portion of crystalline AlPO₄ and FePO₄. Extraction with dithionite-citrate-bicarbonate mobilizes X-ray amorphous AlPO₄ and FePO₄ as well as crystalline FePO₄, but only a minor portion of crystalline AlPO₄.

Original language	English
Pages (from-to)	14-17
Number of pages	4
Journal	Zeitschrift für Pflanzenernährung und Bodenkunde
Volume	180
Issue number	1
DOIs	https://doi.org/10.1002/jpln.201600374
State	Published - 1 Feb 2017

Keywords

Amorphous AlPO
Amorphous FePO
Crystalline AlPO
Crystalline FePO

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title = "Mobilization of X-ray amorphous and crystalline aluminum and iron phosphates by common soil extraction procedures",

abstract = "Soil extraction with 0.1 M NaOH completely dissolves X-ray amorphous as well as crystalline AlPO4 and FePO4. Extraction with acidic NH4 oxalate completely mobilizes X-ray amorphous AlPO4 and FePO4 in addition to phosphate adsorbed to poorly-crystallized Al and Fe minerals, but only a minor portion of crystalline AlPO4 and FePO4. Extraction with dithionite-citrate-bicarbonate mobilizes X-ray amorphous AlPO4 and FePO4 as well as crystalline FePO4, but only a minor portion of crystalline AlPO4.",

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AB - Soil extraction with 0.1 M NaOH completely dissolves X-ray amorphous as well as crystalline AlPO4 and FePO4. Extraction with acidic NH4 oxalate completely mobilizes X-ray amorphous AlPO4 and FePO4 in addition to phosphate adsorbed to poorly-crystallized Al and Fe minerals, but only a minor portion of crystalline AlPO4 and FePO4. Extraction with dithionite-citrate-bicarbonate mobilizes X-ray amorphous AlPO4 and FePO4 as well as crystalline FePO4, but only a minor portion of crystalline AlPO4.

KW - Amorphous AlPO

KW - Amorphous FePO

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KW - Crystalline FePO

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Mobilization of X-ray amorphous and crystalline aluminum and iron phosphates by common soil extraction procedures

Abstract

Keywords

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