Adsorption Characteristics of Zn2+ Ions onto Different Aggregate Size Fractions of Some Calcareous Soils and their Relationship with Soil Properties

— Soils are exposed to potentially toxic trace elements (PTEs) such as zinc (Zn) through various ways. Adsorption of Zn in soils is one of factors affecting its availability and mobility. Soil aggregates are units of soil structure very important for adsorbing and retaining of PTEs. In this study, c...

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Bibliographic Details
Published in:Eurasian soil science 2019-08, Vol.52 (8), p.916-925
Main Authors: Khajeali, Z., Motaghian, H. R., Hosseinpur, A. R.
Format: Article
Language:English
Subjects:
Adsorption
Aggregates
Calcareous soils
Calcium
Calcium carbonate
Calcium carbonates
Calcium chloride
Carbonates
Cation exchange
Cation exchanging
Cations
Coefficients
Earth and Environmental Science
Earth Sciences
Exchange capacity
Geotechnical Engineering & Applied Earth Sciences
Iron oxides
Organic carbon
Oxides
Soil aggregates
Soil Chemistry
Soil contamination
Soil properties
Soil structure
Trace elements
Zinc
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Summary:— Soils are exposed to potentially toxic trace elements (PTEs) such as zinc (Zn) through various ways. Adsorption of Zn in soils is one of factors affecting its availability and mobility. Soil aggregates are units of soil structure very important for adsorbing and retaining of PTEs. In this study, characteristics of the adsorption of Zn were studied in the aggregates of five calcareous soils. Soil aggregates were separated using the dry sieving into four size fractions: 4 to 2 and 2 to 0.25 mm (macroaggregates) and 0.25 to 0.053 and
ISSN:1064-2293
1556-195X
DOI:10.1134/S1064229319080118