Short communications

User-friendly model for chemical equilibrium of CaSO₄ solutions

Published in: South African Journal of Plant and Soil
Volume 20 , issue 2 , 2003 , pages: 97–99

DOI: 10.1080/02571862.2003.10634916

Author(s): N.Z. Jovanovic Department Plant Production and Soil Science, South Africa , J.G. Annandale Department Plant Production and Soil Science, South Africa , N. Benadè , South Africa

Keywords: Chemical equilibrium , computer software , gypsum

Download full text Get new issue alerts

Abstract

User-friendly Windows software (ChemEq) was developed for calculation of solution chemical equilibrium and precipitation- dissolution of lime and gypsum. ChemEq calculates ionic concentrations and activities, pH, solid phase gypsum and lime, sodium adsorption ratio and electrical conductivity from initial concentrations of ions, gypsum and lime. The program is written in Delphi v. 5.0 and is available for use with Windows 98/ME/2000 and NT on an IBM-PC or compatible computer. The main applications are in the calculation of chemical equilibrium of CaSO₄ solutions.

« The South African Germplasm Collection of Groundnut, Arachis hypogaea L., and its utility

The relationship between chicon quality and lateral root formation in witloof chicory (Cichorium intybus L.) »