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Phreeqe simulation


I am trying to simulate oxidation of arsenian pyrite. One scenario is
complete loss of pyrite with the co-precipitation of arsenic in goethite.
The following input file will not converge after the pyrite is completely
oxidized in the first cell. Is there a way to continue the simulation with
not pyrite in the first cell but with continuing oxidation in the second

I am using version 2.2.

Thanks for the help.

(See attached file: as5.fe0.pqi)

Best regards,

Alan Welch
U.S.Geological Survey
333 W. Nye Lane
Carson City, NV  89706

Office:  (775) 887-7609
FAX:  (775) 887-7629

Attachment: as5.fe0.pqi
Description: Binary data

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