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bappy

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Posts posted by bappy

  1. Hi,

     

    I've seen older posts enquiring about GWB handling solid-solutions. I've taken onboard warnings outlined in Bethke's books about lack of thermodynamic data and potential errors, but I would like to replicate some calculations I've seen published where solid-solutions are assumed to be ideal mixtures. The calculations are done in EQ3/6 and solid solutions are represented in the database like this, with two end members specified elsewhere:

     

    CLINOPYROXENE ca(fe,mg)si2o6

    date last revised = 13......

    keys = ss ideal active

    2 end members

    1.0000 DIOPSIDE 1.0000 HEDENBERGITE

    type = 1

    0 model parameters

    1 site parameters

    1.000 0.000 0.000 0.000 0.000 0.000

     

    Is it possible to do a similar thing in GWB?

     

    thanks for your help.

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