ruth Posted June 25, 2011 Share Posted June 25, 2011 Hi Tom, I am trying to model the theoretical chemical speciation of arsenic using the bulk chemical composition of the water. My question is if the program can distinguish that I am using the total concentration of arsenic as input for the program of the GWB? This is because the basis species for the arsenic is As(OH)4- Thank you very much Link to comment Share on other sites More sharing options...
Tom Meuzelaar Posted June 25, 2011 Share Posted June 25, 2011 Hi Ruth: This should work fine- just be sure to: constrain the oxygen concentration in the system specify a pH convert your total As concentration to the arsenic basis species GWB will speciate all of your arsenic among all dissolved arsenic species in the thermo database according to their equilibrium constants. Let me know how I can be of further help. Regards, Tom Meuzelaar RockWare, Inc. Link to comment Share on other sites More sharing options...
vekhamjohn Posted October 31, 2012 Share Posted October 31, 2012 I think the program in which you are working will not distinguish. You can use anything which is related to arsenic to complete your program. You can constrain the Oxygen as well as check PH also ___________________ arsenic speciation Link to comment Share on other sites More sharing options...
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