This keyword data block is used to define the correspondence between the name of an exchange site and an exchange species that is used as the master species in calculations. Normally, this data block is included in the database file and only additions and modifications are included in the input file.
All half-reactions for the exchanger (X and Xa, in this example data block) must be written in terms of the master exchange species (X - and Xa - in this example data block). Each exchange master species must be defined by an identity reaction with log K of 0.0 in EXCHANGE_SPECIES input. Any additional exchange species and associated reactions must be defined with EXCHANGE_SPECIES input.
The keyword EXCHANGE_MASTER_SPECIES is not used in the example problems. See listing of default database file in Attachment B for an example.
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