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Determination of Rifapentine by Flow Injection Chemiluminescence Method |
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DOI: |
KeyWord:flow injection chemiluminescence luminol potassium ferricyanide rifapentine |
Author | Institution |
XU Tong,ZHANG Yan-tu,ZHANG Xu |
延安大学化学与化工学院 |
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Abstract: |
A novel method of flow injection chemiluminescence for the determination of rifapentine was proposed based on the phenomenon that the chemiluminescence intensity of the luminol-K3Fe(CN)6 system could be enhanced by rifapentine in alkaline medium,combined with flow injection analysis technique.Under the optimal experimental conditions,the linear range of rifapentine’s detection concentration was 0.008-0.88 mg/L,the detection limit(3σ) was 1.2×10-3 mg/L,and the relative standard deviation(RSD,n=11) was 1.9% for rifapentine at 6.0×10-2 mg/L.The method was applied in the determination of rifapentine in both capsules and plasma with satisfactory results. |
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