Measurement of Ion Association Constants from Decrease of Peak Areas by Capillary Electrophoresis Technique with Indirect Spectrophotometric Detection

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URI (для ссылок/цитирований):
https://elib.sfu-kras.ru/handle/2311/754
Автор:
Sursyakova, Viktoriya V.
Kalyakin, Sergey N.
Burmakina, Galina V.
Rubaylo, Anatoliy I.
(Viktoriya V. Sursyakova, Anatoliy I. Rubaylo: Institute of Chemistry and Chemical Technology SB RAS, 42 К. Marx st., Krasnoyarsk, 660049 Russia, Siberian Federal University, 79 Svobodny, Krasnoyarsk, 660041 Russia, email: viktoria_vs@list.ru; Sergey N. Kalyakin, Galina V. Burmakina: Institute of Chemistry and Chemical Technology SB RAS, 42 К. Marx st., Krasnoyarsk, 660049 Russia;)
Дата:
2008-09
Аннотация:
The new method to determine association constants using capillary electrophoresis technique with indirect spectrophotometric detection was investigated. An association constant was calculated from decrease of corrected peak area. The equations for correction of peak areas and calculation of association constants were examined using zone mathematical model of electrophoretic ion motion. This method was used to measure association constant of calcium - ions with sulfate - ions: lg Kass (СаSO4) = 2,39±0,09.
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