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Article citations


Pyrzynska, K. (2012) Sorbent Materials for Separation and Preconcentration of Gold in Environmental and Geological Samples. Analytica Chimica Acta, 741, 9-14.

has been cited by the following article:

  • TITLE: The Phosphochlorinated Polymeric Sorbents for Sorption of Gold (III)

    AUTHORS: A. A. Azizov, U. I. Yaqubova, M. I. Aliyev

    KEYWORDS: Sorption, Gold, Phosphochlorinated Polymer

    JOURNAL NAME: Open Journal of Polymer Chemistry, Vol.6 No.2, May 31, 2016

    ABSTRACT: This study evaluated the simple methods to improve the sorptional capability of polymeric sorbent to gold (III) ions. The polymeric sorbents have been synthesized by a chemical modification of dithizone phosphorchlorinated PB. The structure and composition of functional polymers are studied by IR spectroscopy, X-ray fluorescence analysis, the diffusion of optical spectroscopy, scanning electron microscopy, thermogravimetric and elemental analysis. It found that the obtained sorbents had porous crosslinked structure and did not dissolve in any organic solvents, solutions of inorganic acids and alkalines. The sorption properties of the syntesized polymer sorbents onto gold (III) ion in aqueous solutions have been studied. It is found that the adsorption effect of gold makes 85% - 90% and the equilibrium sorption capacity of polymer sorbent is 137 mg/g in acidic media. In order to improve sorption efficiency of sorbents to gold ions, the non-covalent immobilization of organic sulfur containing compound to the polymer matrix was carried out. The gold embedded polymer matrix was characterized by SEM, EDX, XRD and visible absorption spectroscopy. The obtained results indicated that the polymeric sorbent contained metallic form of zero-valent gold. It was found that the average particle size of elemental gold crystals was 28.31 nm.