Effect of organic anions on heavy metal retention by soils of contrasting characteristics
Trabajo presentado en el 11th International Soil Conservation Organization Conference (ISCO 2000), celebrada en Buenos Aires (Argentina), del 22 al 27 de octubre de 2000
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2000-10-22
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Subjects: | Contamination, Heavy metals, Nitrilotriacetic aCid, Soils, Sorption, |
Online Access: | http://hdl.handle.net/10261/198306 |
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dig-ica-es-10261-1983062021-05-21T12:27:00Z Effect of organic anions on heavy metal retention by soils of contrasting characteristics Pardo Fernández, María Teresa Almendros Martín, Gonzalo López-Fando, Cristina Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption Trabajo presentado en el 11th International Soil Conservation Organization Conference (ISCO 2000), celebrada en Buenos Aires (Argentina), del 22 al 27 de octubre de 2000 Sorptive interactions of metals with soils and soil constituents are affected by the presence of inorganic and organic ligands capable of combining with the metals to form soluble complexes and chelates. Whereas the influence of inorganic ligands on the sorption of metals has been extensively studied (Bolan et al., 1999), the effect of organic complexation has received limited attention. Nitrilotriacetic acid (NTA) is a synthetic complexing agent, which is currently marketed for a variety of agricultural and industrial uses and has also been considered as a substitute for phosphates in detergents. The NTA contains ca rboxy I and amino functional groups that are largely responsible for the metal-binding properties of organic material found in soils, as well as municipal and industrial wastes. The objectives of this research were (i) to compare the sorption patterns of Pb, Cu, Cd and Zn in three soils of contrasting characteristics and (ii) to determine the effect of NTA on metal sorption. 2020-01-20T11:13:37Z 2020-01-20T11:13:37Z 2000-10-22 2020-01-20T11:13:38Z póster de congreso http://purl.org/coar/resource_type/c_6670 11th International Soil Conservation Organization Conference (2000) http://hdl.handle.net/10261/198306 Sí none |
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Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption |
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Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption Pardo Fernández, María Teresa Almendros Martín, Gonzalo López-Fando, Cristina Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
description |
Trabajo presentado en el 11th International Soil Conservation Organization Conference (ISCO 2000), celebrada en Buenos Aires (Argentina), del 22 al 27 de octubre de 2000 |
format |
póster de congreso |
topic_facet |
Contamination Heavy metals Nitrilotriacetic aCid Soils Sorption |
author |
Pardo Fernández, María Teresa Almendros Martín, Gonzalo López-Fando, Cristina |
author_facet |
Pardo Fernández, María Teresa Almendros Martín, Gonzalo López-Fando, Cristina |
author_sort |
Pardo Fernández, María Teresa |
title |
Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
title_short |
Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
title_full |
Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
title_fullStr |
Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
title_full_unstemmed |
Effect of organic anions on heavy metal retention by soils of contrasting characteristics |
title_sort |
effect of organic anions on heavy metal retention by soils of contrasting characteristics |
publishDate |
2000-10-22 |
url |
http://hdl.handle.net/10261/198306 |
work_keys_str_mv |
AT pardofernandezmariateresa effectoforganicanionsonheavymetalretentionbysoilsofcontrastingcharacteristics AT almendrosmartingonzalo effectoforganicanionsonheavymetalretentionbysoilsofcontrastingcharacteristics AT lopezfandocristina effectoforganicanionsonheavymetalretentionbysoilsofcontrastingcharacteristics |
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1777663681175224320 |