10.1007/s40089-017-0199-x

Kinetics adsorption study of the ethidium bromide by graphene oxide as adsorbent from aqueous matrices

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  • M. Rajabi*1,
  • O. Moradi2,
  • K. Zare3,
  1. Young Researchers and Elite Club, East Tehran Branch, Islamic Azad University, Tehran, IR
  2. Department of Chemistry, Shahr-e-Qods Branch, Islamic Azad University, Tehran, IR
  3. Department of Chemistry, Science and Research Branch, Islamic Azad University, Tehran, IR Department of Chemistry, Shahid Beheshti University, Tehran, IR
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Published in Issue 2017-01-30

How to Cite

Rajabi, M., Moradi, O., & Zare, K. (2017). Kinetics adsorption study of the ethidium bromide by graphene oxide as adsorbent from aqueous matrices. International Nano Letters, 7(1 (March 2017). https://doi.org/10.1007/s40089-017-0199-x
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Abstract

Abstract In this study of ethidium bromide, adsorption from aqueous matrices by graphene oxide as adsorbent was investigated. Influencing parameters in the adsorption study included contact time, temperature, and pH. The optimum time was selected 17 min, and the best value of pH was determined at 8. All adsorption experiments were performed at 298 K temperature. The maximum wavelength of ethidium bromide was 475 nm. The Elovich, four types of the pseudo-second-order, the pseudo-first-order, and intra-particle diffusion kinetic adsorption models were used for kinetic study, and the results show that adsorption of ethidium bromide on graphene oxide surface best complied with type (I) of the pseudo-second-order kinetic model.

Keywords

  • Kinetics,
  • Adsorption,
  • Ethidium bromide,
  • Graphene oxide,
  • Aqueous matrices
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