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目的:建立HPLC法测定消肿止痛酊中盐酸巴马汀的含量。方法:色谱柱SSWALKOSIL C_(18)AR柱(250 mm×4.6mm,5μm),流动相:乙腈-0.4%磷酸溶液(22:78),检测波长:345nm;流速:1.0 ml·min~(-1);柱温:35℃;结果:盐酸巴马汀进样量在0.049 5~1.980 0μg范围内线性关系良好(r=1.000 0);平均回收率为101.8%,RSD=1.38%(n=9)。结论:所建立的方法简便快捷,重复性好,结果准确可靠,能有效控制消肿止痛酊质量。
Objective: To establish an HPLC method for the determination of palmatine hydrochloride in Xiaozhongzhitong tincture. METHODS: The chromatographic column SSWALKOSIL C_ (18) AR (250 mm × 4.6 mm, 5 μm) was used. The mobile phase consisted of acetonitrile-0.4% phosphoric acid solution at 22:78, the detection wavelength was 345 nm, the flow rate was 1.0 ml · min ~ 1); column temperature: 35 ℃; Results: The linearity of palmatine hydrochloride was 0.049 5-1.980 0 μg (r = 1.000 0); the average recovery was 101.8% and RSD was 1.38% (n = 9). Conclusion: The established method is simple, rapid, reproducible, the results are accurate and reliable, can effectively control the quality of swelling and pain relief tincture.