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Determination of organic acids and phosphate in soil aqueous extracts by capillary zone electrophoresis
(MARCEL DEKKER INC, 1999-01)
Concentration and fractionation of Cu, Cr, Ni and Zn in montmorillonitic and allophanic soils: Comparison of two different extraction methods
(IST CHIMICA AGRARIA, UNIV PISA VIA S MICHELE DEGLI SCALZI, 1999-05)
Chemical forms and sorption of copper and zinc in soils of central Chile
(MARCEL DEKKER INC, 1999)
Sequential extraction of heavy metals in soils irrigated with wastewater
(MARCEL DEKKER INC, 1999-05)
Contenido y fraccionamiento de Cu, Cr, Ni y Zn en suelos montmorilloníticos: comparación entre dos diferentes procedimientos de extracción.
(Universita degli Studi di Pisa, Istituto di Chimica Agraria, 1999)