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Pb adsorption by soils

✍ Scribed by Gian Franco Soldatini; Riccardo Riffaldi; Renato Levi-Minzi

Publisher: Springer Netherlands
Year: 1976
Tongue: English
Weight: 344 KB
Volume: 6
Category: Article
ISSN: 0049-6979
DOI: 10.1007/bf00158719

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✦ Synopsis

Pb adsorption for 12 soils from Tuscany was studied. The data fitted the Langmuir and the Freundlich isotherms over a large range of concentrations. Results showed that organic matter and clay content were responsible for adsorption maxima. The effect of Mn oxides, explained independently of organic matter and clay, was negligible.

The adsorption maxima were generally found to be greater than CEC; the possible mechanisms are discussed.

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