Abstract

Adsorption of xanthates on galena, pyrite and sphalerite in the virtual absence of oxygen is presented as a function of xanthate concentration and pH. Adsorption of ethyl xanthate on galena occurs at monolayer coverage independent of pH. In the case of pyrite and sphalerite, adsorption of short-chain xanthates occurs below monolayer coverage at pH values below 8.

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