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Preparation of nano silver and nano gold from aqueous extract of dog rose

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Document pages: 14 pages

Abstract: This paper describes a process for obtaining nano silver and nano gold by chemical reduction of the substances contained in the aqueous extract of Rosa canina. The obtained products were analyzed by spectrophotometry (UV VIS), and the electromotive potential was measured by dynamic light scattering (DLS). Solid samples were imaged by scanning electron microscopy (SEM). The data obtained are used for statistical analysis to show that the properties of the suspension depend on the values of the input parameters: metal salt concentration, pH value of the reaction mixture and process temperature. In the working process, nano silver and nano gold samples were obtainedre stable for over two months and which had a monomodal particle size distribution.

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