Analysis of sulfate content in concentrate
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In the concentrate, sulfur exists in the form of sulfides as well as sulfates. I would like to ask how to determine the amount of sulfur present in sulfate form. Thank you!
Sulfides can be converted into their chlorides using hydrochloric acid, and the chlorides are generally soluble in aqueous solutions. If its sulfate is insoluble in acid or water, it can be directly separated and analyzed. If its sulfate is dissolved in water, barium chloride can be added to produce barium sulfate, thereby allowing the sulfate content to be determined.
The BaS4 precipitation gravimetric method can be used.