中国药品标准
中國藥品標準
중국약품표준
Drug Standards of China
2015年
5期
356-358
,共3页
谢升谷%颜琳琦%王宇%吴焰%郑国钢
謝升穀%顏琳琦%王宇%吳燄%鄭國鋼
사승곡%안림기%왕우%오염%정국강
依非韦伦片%特定杂质%含量%高效液相色谱法
依非韋倫片%特定雜質%含量%高效液相色譜法
의비위륜편%특정잡질%함량%고효액상색보법
Efavirenz Tablets%specified impurities%content%HPLC
目的:建立测定依非韦伦片中三种难分离的特定杂质含量的方法。方法:采用 Waters Symmetry C18柱(4.6 mm ×250 mm,5μm),以水-乙腈-三氟乙酸为流动相梯度洗脱,检测波长为250 nm,流量为1.5 mL· min -1。结果:三种特定杂质峰与主峰间的分离度良好,最低检测限为0.5 ng,依非韦伦浓度在0.125~2.5μg· mL -1范围内与峰面积呈良好的线性关系( r =0.9999,n=6)。结论:本方法简便,专属性强,可用于依非韦伦片中三种特定杂质的控制。
目的:建立測定依非韋倫片中三種難分離的特定雜質含量的方法。方法:採用 Waters Symmetry C18柱(4.6 mm ×250 mm,5μm),以水-乙腈-三氟乙痠為流動相梯度洗脫,檢測波長為250 nm,流量為1.5 mL· min -1。結果:三種特定雜質峰與主峰間的分離度良好,最低檢測限為0.5 ng,依非韋倫濃度在0.125~2.5μg· mL -1範圍內與峰麵積呈良好的線性關繫( r =0.9999,n=6)。結論:本方法簡便,專屬性彊,可用于依非韋倫片中三種特定雜質的控製。
목적:건립측정의비위륜편중삼충난분리적특정잡질함량적방법。방법:채용 Waters Symmetry C18주(4.6 mm ×250 mm,5μm),이수-을정-삼불을산위류동상제도세탈,검측파장위250 nm,류량위1.5 mL· min -1。결과:삼충특정잡질봉여주봉간적분리도량호,최저검측한위0.5 ng,의비위륜농도재0.125~2.5μg· mL -1범위내여봉면적정량호적선성관계( r =0.9999,n=6)。결론:본방법간편,전속성강,가용우의비위륜편중삼충특정잡질적공제。
Objective:To establish an HPLC method for the determination of content of three specified impurities in Efavirenz Tablets.Method:A Waters Symmetry C18 column (4.6 mm ×250 mm,5 μm) was adopted.The mobile phase was water-acetonitrile-trifluoro-acetic acid system with gradient elution.The detection wavelength was 250 nm and the flow rate was 1.5 mL · min-1.Results:The resolution of Efavirenz and its specified impurities was good, the limit of detection was 0.5 ng.The linear range of Efavirenz was 0.125-2.5 μg· mL-1 ( r=0.999 9,n=6).Conclusion:The method is convenient and specific which can be used to control the content of three specified impurities in Efavirenz Tablets.