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The possibility of chemical and electrochemical dissolution of secondary raw materials on the basis of tungsten carbides electrolytes from solutions of acids HNO3, HCl, H2SO4 has been considered. The influence of nature and concentration of electrolyte on the process of anodic dissolution of the alloy WC–Co has been studied. It has been established that the final product of the dissolution of the WC–Co alloy in acid solutions is the higher tungsten oxide WO3. The reduction of thedoi:10.33070/etars.4.2018.07 fatcat:xxgkw3txkzepzdftazrmeqmhwi