ZINC SORPTION CHARACTERISTICS OF SOME SELECTED CALCAREOUS SOILS OF IRAN

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REYHANI TABAR A.; ARDALANI M.; GILKES R.J.; SAVAGHEBI G.

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Paper Information

Journal: JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST) Year:2010 | Volume:12 | Issue:1 Page(s): 99-110

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Information Journal Paper

Title

ZINC SORPTION CHARACTERISTICS OF SOME SELECTED CALCAREOUS SOILS OF IRAN

Author(s)

REYHANI TABAR A. | ARDALANI M. | GILKES R.J. | SAVAGHEBI G. | Issue Writer Certificate

Keywords

ADSORPTION

CALCAREOUS SOILS

FREUNDLICH

LANGMUIR

ZINC

Abstract

This study was carried out to obtain quantitative relationships between Zn in equilibrium solution and that retained by 20 CALCAREOUS SOILS. Soils were brought into equilibrium with varying solution concentrations of Zn, and the amounts removed from solution were used to check the fit to six ADSORPTION isotherms, namely, FREUNDLICH, LANGMUIR, Temkin, Gunary, two surface LANGMUIR and Adjusted FREUNDLICH. ZINC sorption and desorption data showed hysteresis which indicates ADSORPTION and desorption mechanisms not being the same. Fits of ADSORPTION equations showed that FREUNDLICH equation did not describe Zn sorption in most of the soils at low equilibrium concentrations, but after removal of the three first concentration points this equation showed a best fit to the data. The single surface LANGMUIR equation did not describe Zn sorption data, but a two surface LANGMUIR equation showed statistically significant fits to the data for some of the selected soils. Temkin equation described data only at low equilibrium concentrations.

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APA: Copy

REYHANI TABAR, A., ARDALANI, M., GILKES, R.J., & SAVAGHEBI, G.. (2010). ZINC SORPTION CHARACTERISTICS OF SOME SELECTED CALCAREOUS SOILS OF IRAN. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), 12(1), 99-110. SID. https://sid.ir/paper/573327/en

Vancouver: Copy

REYHANI TABAR A., ARDALANI M., GILKES R.J., SAVAGHEBI G.. ZINC SORPTION CHARACTERISTICS OF SOME SELECTED CALCAREOUS SOILS OF IRAN. JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST)[Internet]. 2010;12(1):99-110. Available from: https://sid.ir/paper/573327/en

IEEE: Copy

A. REYHANI TABAR, M. ARDALANI, R.J. GILKES, and G. SAVAGHEBI, “ZINC SORPTION CHARACTERISTICS OF SOME SELECTED CALCAREOUS SOILS OF IRAN,” JOURNAL OF AGRICULTURAL SCIENCE AND TECHNOLOGY (JAST), vol. 12, no. 1, pp. 99–110, 2010, [Online]. Available: https://sid.ir/paper/573327/en

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