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Determination of the binding constant for the inclusion complex between procaine hydrochloride and beta-cyclodextrin by capillary electrophoresis


, : Determination of the binding constant for the inclusion complex between procaine hydrochloride and beta-cyclodextrin by capillary electrophoresis. Talanta 59(3): 493-499

The apparent electrophoretic mobilities of procaine hydrochloride (mu(i)) in a series of concentration of beta-cyclodextrin were measured directly by capillary electrophoresis technology. A new mathematical treatment method is proposed, which based on the fact that the molar ratio of the inclusion complex was 1:1 established by spectrophotometry. Using the proposed method, the binding constant of the inclusion complex of procaine hydrochloride with beta-cyclodextrin can be obtained easily. The determination result was in correspondence with those of the spectrophotometric and fluorescence methods.

US$29.90

PMID: 18968933


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