HPLC法测定泊沙康唑原料药中的有关物质 点击下载
论文标题: HPLC法测定泊沙康唑原料药中的有关物质
英文标题:
中文摘要: 目的:建立测定泊沙康唑原料药中有关物质的方法。方法:采用高效液相色谱法。色谱柱为Zorbax Eclipse Plus C18,流动相为0.05 mol/L醋酸铵溶液(加醋酸调节pH为4.0)-乙腈(梯度洗脱),流速为1.0 mL/min,检测波长为262 nm,柱温为30 ℃,进样量为20 μL。结果:中间体Ⅰ检测质量浓度线性范围为0.05~5.0 μg/mL(r=0.999 9);定量限为0.05 μg/mL,检测限为0.013 μg/mL;精密度、稳定性、重复性试验的RSD<2.0%;回收率为98.00%~101.69%(RSD=1.22%,n=9)。结论:该方法操作简便、结果准确,适用于泊沙康唑原料药中有关物质的测定。
英文摘要: OBJECTIVE: To establish a method for the determination of related substance in posaconazole raw material. METHODS: HPLC method was adopted. The separation was performed on Zorbax Eclipse Plus C18 column with mobile phase consisted of 0.05 mol/L ammonium acetate solution (pH adjusted to 4.0 using acetic acid)-acetonitrile (gradient elution) at the flow rate of 1.0 mL/min. The detection wavelength was set at 262 nm, and the column temperature was 30 ℃. The sample size was 20 μL. RESULTS: The linear range of intermediateⅠwas 0.05-5.0 μg/mL (r=0.999 9); the limit of quantitation was 0.05 μg/mL, the limit of detection was 0.013 μg/mL; RSDs of precision test, stability test and repeatability test were lower than 2.0%; the recoveries was 98.00%-101.69%(RSD=1.22%,n=9). CONCLUSIONS: The method is simple, accurate and suitable for the determination of related substance in posaconazole raw material.
期刊: 2017年第28卷第36期
作者: 李晓琴,李楠,张晓,刘宇,贾爱琼,刘瑜
英文作者: LI Xiaoqin,LI Nan,ZHANG Xiao,LIU Yu,JIA Aiqiong,LIU Yu
关键字: 泊沙康唑;原料药;有关物质;高效液相色谱法
KEYWORDS: Posaconazole; Raw material; Related substances; HPLC
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