Figure 6From: Surface stoichiometry of zinc sulfide and its effect on the adsorption behaviors of xanthateDerivation of pH (dpH/dv) as a function of sulfide or zinc ions addition during zinc sulfide formation. a. 0.1 M sodium sulfide solution is titrated with 0.1 M zinc nitrate solution. b. 0.1 M zinc nitrate solution is titrated with 0.1 M sodium sulfide solution.Back to article page