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Description:
All-in-one freeware for pH and equilibrium calculations, real data analysis and simulation of titration curves of acids, bases, salts and buffers (from simple solutions to complex mixtures) with interpolation, smoothing and nonlinear regression.

Powerful all-in-one freeware for acid-base equilibria learning and practicing, in high school, college or research laboratory, by:

- calculating the pH of any aqueous solution of acids and bases (strong, weak or polyprotic), salts and complex mixtures;
- generating graphics of the dissociated and undissociated fractions of acids and bases as a function of pH (distribution diagrams);
- simulating complete acid-base titration curves (pH versus volume of titrant);
- analyzing potentiometric titration curves by graphical methods with interpolation and smoothing or by nonlinear regression, to determine concentrations and pKas of real samples, from vinegar to acid rain.

The single-file Excel workbook comprises seven spreadsheets with graphics, instructions, examples, database and visual basic macros, that are uninstalled while closing the file (former versions, since 1992, run in MS-DOS without Excel). content_stop

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