SYNTHESIS OF POLYDOPAMINE NANOPARTICLES AND THEIR APPLICATIONS ON THE ADSORPTION OF HG2+ FROM AQUEOUS SOLUTIONS

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ASHTARI ALI; GHARBANI PARVIN

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Journal: THE APPLICATION OF CHEMISTRY IN ENVIRONMENT Year:2013 | Volume:3 | Issue:13 Page(s): 11-18

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Title

SYNTHESIS OF POLYDOPAMINE NANOPARTICLES AND THEIR APPLICATIONS ON THE ADSORPTION OF HG2+ FROM AQUEOUS SOLUTIONS

Author(s)

ASHTARI ALI | GHARBANI PARVIN | Issue Writer Certificate

Keywords

POLYDOPAMINE NANOPARTICLESQ2

ADSORPTIONQ2

HG2+ IONSQ2

Abstract

In this study a simple and fast method was used for the synthesis of polydopamine (PD) nanoparticles. PD nanoparticles (44 nm) were synthesized from dopamine solution at alkaline pH (10mM Tris, pH 8.5) during 20h. The obtained dark-brown solution was dried to prepare very light polydopamine nanoparticales. Morphology and properties of nanostructured polydopamine was characterized by XRD, FTIR, SEM and TEM analysis. PD nanoparticles were used as an adsorbent for ADSORPTION of Hg2+ions from aqueous solutions. The effect of pH, ionic strength, adsorbent dosage, temperature, initial concentration and contact time on ADSORPTION of adsorbents, from aqueous solutions using PD nanoparticles was investigated through batch experiments.The experimental results were analyzed using Langmuir, Freundlich and Temkin ADSORPTION isotherms. The results obtained are well fitted in the linear forms of Freundlich and Temkin ADSORPTION isotherms but Freundlich isotherm is better than Temkin isotherm. The ADSORPTION capacity (qm) were found to be 1.072 mg Hg of the adsorbent. The batch sorption kinetics was studied for pseudo-first-order and pseudo-second-order reaction.

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APA: Copy

ASHTARI, ALI, & GHARBANI, PARVIN. (2013). SYNTHESIS OF POLYDOPAMINE NANOPARTICLES AND THEIR APPLICATIONS ON THE ADSORPTION OF HG²⁺ FROM AQUEOUS SOLUTIONS. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, 3(13), 11-18. SID. https://sid.ir/paper/236264/en

Vancouver: Copy

ASHTARI ALI, GHARBANI PARVIN. SYNTHESIS OF POLYDOPAMINE NANOPARTICLES AND THEIR APPLICATIONS ON THE ADSORPTION OF HG²⁺ FROM AQUEOUS SOLUTIONS. THE APPLICATION OF CHEMISTRY IN ENVIRONMENT[Internet]. 2013;3(13):11-18. Available from: https://sid.ir/paper/236264/en

IEEE: Copy

ALI ASHTARI, and PARVIN GHARBANI, “SYNTHESIS OF POLYDOPAMINE NANOPARTICLES AND THEIR APPLICATIONS ON THE ADSORPTION OF HG²⁺ FROM AQUEOUS SOLUTIONS,” THE APPLICATION OF CHEMISTRY IN ENVIRONMENT, vol. 3, no. 13, pp. 11–18, 2013, [Online]. Available: https://sid.ir/paper/236264/en

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