Sorry, I don't have any thermodynamic data for hydrohalite; I checked in the EQ3/6 database and TEQUIL (an alternative for Pitzer modeling). You should be able to add a new mineral to PHRQPITZ if you know the stoichiometry and log K. David David Parkhurst (dlpark@xxxxxxxx) U.S. Geological Survey Box 25046, MS 413 Denver Federal Center Denver, CO 80225 "Dr. W.H. Pollard" <pollard@xxxxxxxxxx To: h2osoft@xxxxxxxx, dlpark@xxxxxxxx .mcgill.ca> cc: In-Reply-To: <3A363A3F.10270.11097CF@xxxxxxxxx> Subject: themodynamic data for hydrohalite 12/12/00 11:46 AM Please respond to pollard Dr. Park et al., We are trying to model (using PHRQPITZ) an aqueous spring system where hydrohalite is a suspected precipitate - is there thermodynamic data available to add this mineral to the model? Thanking you, Wayne _____________________________________________________ Dr Wayne H. Pollard 514 398-4454 phone Department of Geography 514 398-7437 fax McGill University pollard@xxxxxxxxxxxxxx 805 Sherbrooke St. W. pollard@xxxxxxxxxxxx Montreal, Qc. H3A 2K6
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