The experimental dissociation constant K of weak electrolytes may be consldered as derlved from dlfferent contributions due to the Ionization, K,,and dlssociation, Kd,equlllbrla, respec- tively. AsimplemethodforK,andKdevaluatlonisherein proposed, startlng from experimental K data, obtained by the conductometric method, for plcrlc acld in a set of binary solventsystemmixturesattemperaturesrangingfrom-10 to +80 O C . The correlatlonsbetweenK,and Tand betweenK, and Tare moreover suggested on the basis of a general ex- pression derlved from the Integrated Van’t Hoff equation.
Ionization and Dissociation of Weak Electrolytes. An Initial Approach to Kd and Ki Evaluation / Franchini, Giancarlo; Marchetti, Andrea; Tassi, Lorenzo; Tosi, Giuseppe. - In: ANALYTICAL CHEMISTRY. - ISSN 1520-6882. - ELETTRONICO. - 62:(1990), pp. 1004-1010.
Ionization and Dissociation of Weak Electrolytes. An Initial Approach to Kd and Ki Evaluation.
FRANCHINI, Giancarlo;MARCHETTI, Andrea;TASSI, Lorenzo;TOSI, Giuseppe
1990
Abstract
The experimental dissociation constant K of weak electrolytes may be consldered as derlved from dlfferent contributions due to the Ionization, K,,and dlssociation, Kd,equlllbrla, respec- tively. AsimplemethodforK,andKdevaluatlonisherein proposed, startlng from experimental K data, obtained by the conductometric method, for plcrlc acld in a set of binary solventsystemmixturesattemperaturesrangingfrom-10 to +80 O C . The correlatlonsbetweenK,and Tand betweenK, and Tare moreover suggested on the basis of a general ex- pression derlved from the Integrated Van’t Hoff equation.
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