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Computer Programs for the Evaluation of Activity and Osmotic Coefficients (Classic Reprint) - Softcover

Bert R. Staples

 
9780260583703: Computer Programs for the Evaluation of Activity and Osmotic Coefficients (Classic Reprint)

Synopsis

Excerpt from Computer Programs for the Evaluation of Activity and Osmotic Coefficients

The Electrolyte Data Center at the National Bureau of Standards is engaged in the critical evaluation of equilibrium thermodynamic proper ties of electrolyte solutions. A number of specialized computer pro grams have been developed for the purposes of calculating thermodynamic properties from experimental data and for subsequent data manipulation, including non-linear least-squares fitting of the data to empirical or semi-empirical equations to describe the function over a range of com positions, temperatures or other parameters.

The computer programs form an essential part of the evaluation scheme. The documentation of the Operations involved in such critical evaluations is desirable, in order to provide a set of tested programs suitable for the reduction of experimental data and,as a ready reference for users of these programs.

This Technical Note presents the detailed equations involved in the critical evaluation of mean activity and osmotic coefficients and the details of programs which provide machine-calculation of these and related properties. The programs are listed in the Extended basic language and have been run on a time-shared CDC-6000 series system. In some cases data are obtained from stored on - line files.

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