Effect of NTA and pH on Lead (II) Adsorption by the Hydrous Oxides of Mn, Fe, and Al

The role of organic ligands in partitioning of metals between sediment solid and liquid phases during adsorption in aquatic systems was studied for a particular ligand (nitrilotriacetic acid-NTA) and metal (lead (II)) adsorption by various hydrous oxide gels at different pH levels. NTA is specifical...

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Published inJournal of scientific & industrial research (New Delhi, India : 1963) Vol. 60; no. 2; p. 145
Main Authors Abraham, Beena T, Anirudhan, T S
Format Journal Article
LanguageEnglish
Published 01.02.2001
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Summary:The role of organic ligands in partitioning of metals between sediment solid and liquid phases during adsorption in aquatic systems was studied for a particular ligand (nitrilotriacetic acid-NTA) and metal (lead (II)) adsorption by various hydrous oxide gels at different pH levels. NTA is specifically adsorbed onto oxide surfaces and the maximum adsorption of lead (II) in the presence of NTA occurs at pH 3-4. Adsorption characteristics are described. The net positive charge of the oxide surface, at this pH, readily adsorbs the negatively charged lead-NTA complex.
Bibliography:ObjectType-Article-2
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ISSN:0022-4456