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Differential- Pulse Polarographic Determination of Doxycycline in Serum and Urine | ||
| Rafidain Journal of Science | ||
| Article 7, Volume 19, Issue 1, 2008, Pages 52-58 PDF (0 K) | ||
| DOI: 10.33899/rjs.2008.42280 | ||
| Authors | ||
| Faris H. Abdul Razzak; Sadallah T. Sulaiman | ||
| Abstract | ||
| The polarographic behavior of doxycyline has been studied in phosphate buffer at different pH (2-9). The compound shows four reduction peaks at pH 2-4 , three reduction peaks are observed at pH 5&6 and only two reduction peaks at pH 7-9. The best well-defined two peaks observed at pH 7.0, appearing at-1.09 V and -1.26 V versus Ag/AgCl, sat.KCl are used in this study for microdetermination of doxycycline. The lowest experimental determination limit is 1.85 x 10-7 M . The method is successfully applied to the determination of doxycycline in vivo (serum and urine). | ||
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