Algorithm for Calculating the Dissociation Constants of Ampholytes in Nonbuffer Systems |
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| Authors: | S. S. Lysova T. A. Skripnikova Yu. E. Zevatskii |
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| Affiliation: | 1.St. Petersburg State University of Industrial Technologies and Design,St. Petersburg,Russia;2.ZAO Novbytkhim,Gatchina,Russia;3.St. Petersburg State Electrotechnical University (LETI),St. Petersburg,Russia |
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| Abstract: | An algorithm for calculating the dissociation constants of ampholytes in aqueous solutions is developed on the basis of spectrophotometric data in the UV and visible ranges without pH measurements of a medium and without buffer solutions. The proposed algorithm has been experimentally tested for five ampholytes of different strengths. The relative error of measuring dissociation constants is less than 5%. |
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