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논문 기본 정보

자료유형
학술저널
저자정보
Thi-Anh-Tuyet Le (Kangwon National University) Bao-Tan Nguyen (Kangwon National University) Min-Ho Kim (Kangwon National University) Bit Kim (Kangwon National University) Hyun-Soo Kim (Kangwon National University) Seung-Won Jeong (Kangwon National University) Jong-Seong Kang (Chungnam National University) Dong-Hee Na (Chungang University) In-Koo Chun (The Research Foundation for Pharmaceutical Quality) Kyeong Ho Kim (Kangwon National University)
저널정보
한국분석과학회 분석과학 분석과학 제33권 제6호
발행연도
2020.12
수록면
252 - 261 (10page)

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Currently, the potentiometric titration and the high pressure liquid chromatography (HPLC) method were utilized in Korean Pharmacopoeia XII (KP XII) as well as other pharmacopoeias (USP, EP, BP) for determination of loperamide hydrochloride in raw materials and capsules, respectively. The research objective is to overcome the remaining drawbacks from current methods such as solubility of mobile phase (KP XII), less scientific approach (USP 43) or using paired-ion chromatography reagent which shows some limitations (BP2017 and other formulation monographs). The proposed method was optimized by Design of Experiment (DoE) tool to obtain the satisfied method for determination of loperamide hydrochloride. The optimal condition was performed on the common C18 column (150 mm × 4.6 mm; 5 μm) using isocratic elution with the mobile phase containing 40 mM of potassium phosphate monobasic (pH 3.0) and acetonitrile (56:44), at a flow rate of 0.7 mL/min. The optimized method was validated and met the requirements of the International Conference on Harmonization. The developed method was applied to determine loperamide hydrochloride in capsules and can be used to update the current monograph in KP XII.

목차

Abstract
1. Introduction
2. Experimental
3. Results and Discussion
4. Conclusions
References

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