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Aggregation kinetics of humic acids in the presence of calcium ions
(2013)The aggregation kinetics of a humic acid (HA) sample as a function of Ca2+ concentration at pH 5, 7 and 9 was investigated. UV–VIS spectroscopy was employed to quantify the progress of the aggregation reaction, and ... -
Analytical methods assessment for exchangeable cations analysis in soil: MIP OES appraisement
(Taylor & Francis, 2020-09-21)Soil monitoring and research often requires a comparison of laboratory data generated by diverse instruments and in different laboratories to demonstrate the reliability and accuracy of the results. The outcomes of this ... -
Estudios de adsorción y agregación de ácidos húmicos con minerales constituyentes del suelo en presencia de iones calcio
(Universidad Nacional del Sur, 2016-04-01)Los microagregados de tamaño arcilla (< 2 m) y limo (2-50 m), que se generan por la interacción de la fracción mineral y el material orgánico, son la unidad básica de estructura en el suelo, y constituyentes de sedimentos ...