drcswalker Posted May 23, 2012 Share Posted May 23, 2012 Dear all, New to the forum and a fairly inexperienced GWB user so forgive my ignorance. I wanted to know how you would calculate the pH and aqueous concentrations of 1 kg of initially pure water in equilibrium with a mineral at 25 deg C? For example, if you place 10 g of K-Feldspar in 1 kg pure water at 25 deg C and left it sufficiently long to reach equilibrium, then the water would have a specific pH and K, Al and Si concentrations as dictated by the log K values and activity corrections in the TDB you used. But how would you set up such a simple problem in GWB which seems to require fixed concentrations/activities as inputs? Quote Link to comment Share on other sites More sharing options...
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