Kinetics adsorption of Amoxicillin from aqueous solution by Graphen Oxide- Gold nanoparticles (GO-AuNPs) nanocomposite as novel adsorbent

International Journal of Nano Dimension

مقاله 6، دوره 7، شماره 2، مرداد 2016، صفحه 144-149   

نوع مقاله: Reasearch Paper

شناسه دیجیتال (DOI): 10.7508/ijnd.2016.02.006

نویسندگان

Soheila Tahmasebi¹؛ Omid Moradi^{* 1}؛ Mohammad Yari²

¹Department of Chemistry, Shahr-e-Qods Branch, Islamic Azad University, Tehran, Iran.

²Department of Chemistry, Eslamshahr Branch, Islamic Azad University, Eslamshahr, Iran.

چکیده

In this research, Graphene Oxide- Gold nanoparticles (AuNP/GO) were easily fabricated by a redox reaction between GO and chloroauric acid without using any additional reductant and then used to stabilize Pickering emulsions. (AuNP/GO) was investigated by FT-IR spectroscopy. The changes of parameters such as contact time, pH, Amoxicillin initial concentration and temperature were tested and investigated by several adsorption experiments various factors affecting the uptake behavior such as initial concentration, contact time and temperature were studied. The adsorption kinetics well described by a pseudo-second-order rate model. The adsorption kinetics well described by a pseudo-second-order rate model.The adsorption kinetics well described by a pseudo-second-order rate model.

کلیدواژه‌ها

Adsorption؛ Amoxicillin؛ Chloroauric acid؛ Gold nanoparticles؛ Graphene oxide؛ Kinetics parameters

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