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http://dx.doi.org/10.5806/AST.2014.27.3.161

Development of alternative assay method without hazardous reagent, carbon tetrachloride, for cefroxadine capsules in Korean Pharmaceutical Codex  

Seo, Narae (College of Pharmacy, Kangwon National University)
Kang, Yeoul (College of Pharmacy, Kangwon National University)
Park, Yeong Shin (College of Pharmacy, Kangwon National University)
Lee, Jong Min (College of Pharmacy, Kangwon National University)
Jeong, Myung Jin (College of Pharmacy, Kangwon National University)
Jeon, Sang Seol (College of Pharmacy, Kangwon National University)
An, Jae Hyung (College of Pharmacy, Kangwon National University)
Kim, Kyeong Ho (College of Pharmacy, Kangwon National University)
Publication Information
Analytical Science and Technology / v.27, no.3, 2014 , pp. 161-166 More about this Journal
Abstract
Currently oxidation-reduction titration method for the assay method using the hazardous reagent, carbon tetrachloride, for cefroxadine capsules has been used in Korean Pharmaceutical Codex. We developed and validated an alternative HPLC assay method by substituting the use of the hazardous reagent, carbon tetrachloride, to the use of less toxic ones like acetonitrile. The linearity of the calibration curves in the desired concentration range was good ($r^2$ > 0.999). Relative standard deviations of intra-day precision were ranged between 0.30% and 0.69% and inter-day precision were ranged between 0.47% and 0.82%. Accuracy was obtained with recoveries in range of 100.20% and 100.56%. Developed method was applied to the determination of cefroxadine in commercial cefroxadine capsule and could be expected to become valuable tools for revising the Korean Pharmaceutical Codex.
Keywords
Korean Pharmaceutical Codex; hazardous reagents; alternative testing methods; validation; high performance liquid chromatography;
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