Abstract
Products from an arc discharge between various conducting materials (copper-copper, graphite-graphite, natural graphite and their combination) in water and air have been studied. The SEM and SEM-EDS analysis, and the BET analysis on products from discharges were done as well identifying their size distribution. There are two essential types of product taken in investigation as (i) pure metallic particulates, and (ii) specific structures of materials. The visual properties of nano-sized products formed in two media at different current are compared. In products obtained in air, tiny spherical particulates of size in nano-order are observed repeatedly, as well ordinary nano-sized particulates as ones in water. The main visual feature of the particulates formed in air is their existence in deposition in which they are separated by itself. Plenty of individual scrolling sheets of graphite layer of enormous size frequently encounter in soot on electrodes.
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