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HPLC测定盐酸林可霉素滴眼液有关物质 被引量:1

Determination of Related Substances of Lincomycin Hydrochloride Eye Drops by HPLC
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摘要 目的 建立测定盐酸林可霉素滴眼液有关物质RP-HPLC。方法 采用Phenomenex LunaC18柱(4.6mm×250mm,5μm),流动相:pH6.1缓冲液(取34g磷酸溶于900mL水,用浓氨水调节pH值至6.1,加水稀释至1000mL)-甲醇-乙腈(77∶8∶15),流速:1.0mL·min1,检测波长:210nm,柱温:50℃。结果 林可霉素在24.68~370.28μg·mL1内,峰面积与浓度呈良好线性关系(r=1.0000),最低检出限为1.05ng。结论 本法林可霉素与相邻杂质之间及防腐剂之间的分离度良好,可用于盐酸林可霉素滴眼液有关物质的检测。 OBJECTIVE To establish a method for determination of related substances in Lincomycin Hydrochloride Eye Drops by HPLC. METHODS The determination was performed on Phenomenex Luna Clscolumn(4.6 mm×250 mm, 5 μm), and the mobile phase consisted of 77 mL buffer(dissolved 34 g phosphoric acid in 900 mL water and adjust to pH 6.1 with concentrated ammonia and diluted to 1000 mL with water), 8 mL methanol and 15 mL acetonitrile at the flow rate of 1.0 mL.min-1. The detection wavelength was 210 nm. The column temperature was 50 ℃. RESULTS The linearity was found in the range of 24.68-370.28 μg·mL-1 for lincomycin(r=1.000 0). The detection limit of lincomycin was 1.05 ng. CONCLUSION The method can separate lincomycin effectively from its degradation product and antimicrobial, and is suitable for the determination of impurities in Lincomycin Hydrochloride Eye Drops.
出处 《中国现代应用药学》 CAS CSCD 2013年第11期1232-1235,共4页 Chinese Journal of Modern Applied Pharmacy
关键词 盐酸林可霉素滴眼液 有关物质 高效液相色谱法 lincomycin bydrochloride eye drops related substances HPLC
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