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REVISTA DE CHIMIE
Cite as: Rev. Chim.
https://doi.org/10.37358/Rev.Chim.1949

OSIM Nr. R102355
ISSN Online 2668-8212
ISSN Print: 1582-9049
ISSN-L: 1582-9049

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Revista de Chimie (Rev. Chim.), Year 2009, Volume 60, Issue 9,





NICOLETA NEMES, OANA ALINA COSTESCU, VASILE PODE, CORNELIU PODOLEANU, CONSTANTIN FLORESCU
Determination of Mobile Phosphorus Fraction
in the Soil Variety Taxonomy Using Ammonium Lactate-Acetate

Abstract:

Currently in the case of agrochemical research of the agrarian soils mobile phosphates are calculated, represented by the monophosphate (H2PO4-) and diphosphate (HPO42-) ions which are usually retained on the soil particles surface associated with sescvioxides, with other minerals components of clay or with the calcium and magnesium ions . Thereby, the mobile phosphates came in contact with the soil solution and determined its concentration in phosphates ions. During the soil evolution, phosphorus from apatite is altered and transformed through precipitation by other secondary minerals or by undertaking by plants or microorganisms in other organical or inorganical phosphor compounds [2]. In the acid soils secondary phosphorus minerals formed contain Al and Fe phosphates, in the type of variscite and strengite [6]. In the neutral and alkaline soils various types of Ca phosphates are found. Keywords: monophosphate ions, diphosphate ions, sescvioxides, mobile phosphates, primary minerals, secondary minerals

Issue: 2009, Volume 60, Issue 9
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