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Position: Home > Articles > Establishment of Detection Methods for Doxycycline in Florfenicol Injection Chinese Journal of Veterinary Drug 2015,49 (9) 41-44

氟苯尼考注射液中非法添加多西环素检查方法的建立

作  者:
杨修镇;李赞阳;徐恩民;李淑花;王燕;张传法
单  位:
山东省兽药质量检验所;青岛康地恩动物药业有限公司
关键词:
高效液相色谱法;氟苯尼考注射液;多西环素
摘  要:
为建立氟苯尼考注射液中非法添加多西环素高效液相检查方法,研究使用C18(4.6 mm×150 mm,5μm)色谱柱,以醋酸盐缓冲液[0.25 mol/L醋酸铵溶液-0.1 mol/L乙二胺四醋酸二钠-三乙胺(100∶10∶1),调节p H值至8.8]-乙腈(85∶15)为流动相,采用二极管阵列检测器,波长采集范围为200~400 nm,记录色谱图波长为269 nm,流速为1 m L/min,进样量为10μL。结果表明,多西环素进样浓度在0.015~0.96 mg/m L范围内与峰面积呈良好的线性关系(r=1.0000);平均回收率为99.4%(n=9),RSD为0.3%。本方法简便、准确、可行,适用于氟苯尼考注射液中非法添加多西环素的检测。
译  名:
Establishment of Detection Methods for Doxycycline in Florfenicol Injection
作  者:
YANG Xiu-zhen;LI Zan-yang;XU En-min;LI Shu-hua;WANG Yan;ZHANG Chuan-fa;Shandong Provincial Veterinary Medicine Supervision Institute;Institute of Veterinary Drug Quality Inspection of Shandong Province;Qingdao continent Animal Pharmaceutical Co.,LTDL;
关键词:
HPLC;;florfenicol injection;;doxycycline
摘  要:
A detection method of doxycycline illegally adulterated in florfenicol injection was established by HPLC. The isolation was performed on a C18 column( 4. 6 mm × 150 mm,5 μm) with mobile phase consisting of acetate buffer[0. 25 mol / L ammonium acetate solution-0. 1 mol / L disodium Edetate solution-triethylamine( 100∶ 10 ∶ 1),adjust p H to 8. 8]-acetonitrile( 85 ∶ 15). Photodiode array detector wavelength range was200 ~ 400 nm,The recorded wavelength was 269 nm,The flow rate was 1 m L / min,The injection volume was10 μL. The results showed that there was a good linear correlation between the peak areas and the concentrations of doxycycline at the range of 0. 015 ~ 0. 96 mg / m L( r = 1. 0000). The average recovery was 99. 4% with RSD of0. 3%( n = 9). This method was simple,accurate and feasible. It was suitable for detection of doxycycline illegally adulterated in florfenicol injection.

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