Capillary electrophoresis method for simultaneous determination of penicillin G, procaine and dihydrostreptomycin in veterinary drugs |
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Authors: | Michalska Katarzyna Pajchel Genowefa Tyski Stefan |
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Institution: | Antibiotics and Microbiology Department, National Institute of Public Health, 30-34 Chelmska Street, 00-725 Warsaw, Poland. tyski@il.waw.pl |
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Abstract: | Capillary electrophoresis method for identification and simultaneous determination of procaine, dihydrostreptomycin and penicillin G, present in multiantibiotic veterinary preparations, was elaborated. The influence of pH (5.0-9.75) and concentration of disodium tetraborate decahydrate in running buffers (0.02-0.1 M) as well as temperatures (25-40 degrees C) on separation efficacy were analyzed. For quantitative analysis, 0.08 M borate buffer (pH 8.0) at 35 degrees C and 15 kV were chosen. Method was validated, selectivity, precision, linearity, LOD, LOQ, accuracy and specificity of capillary zone electrophoresis (CZE) were evaluated. |
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