spring2015 Posted January 9, 2015 Share Posted January 9, 2015 Hi all, I am trying to calculate the saturation index of galena in solution. In my project I mix 2mM Lead nitrate with 7.8 Na2S and adjust the pH to 5.5, I entered these numbers in geochemist's workbench and attached it to this message. But I do not know the pe number. Would you please check the file I attached to see if the what I have entered correct or not? So why galena is under saturation? For example is it OK I swap s with SO4-2? What about the pe? Pb-S.sp8 Quote Link to comment Share on other sites More sharing options...
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