Criteria for Using Approximative Relations for the Calculation of Simple Protolytic Equilibria. Weak Bases and Hydrolyzed Salts

Page: 514

P. Tomčík, V. Klbiková, and D. Bustin

Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovak Republic


The criteria were derived for simple protolytic equilibria of weak bases and hydrolyzed salts in aqueous solutions. The approximative formulae (simpler equations) can be used if the analytical concentration of a protolyte is higher than the limiting (critical) concentration calculated from the derived criterial equation. The concentration ranges in which it is appropriate to use various mathematical types of equations or the simplest formula are calculated and discussed.


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