海峡药学
海峽藥學
해협약학
STRAIT PHARMACEUTICAL JOURNAL
2014年
9期
44-46
,共3页
羟苯乙酯%珍珠明目滴眼液%高效液相色谱法
羥苯乙酯%珍珠明目滴眼液%高效液相色譜法
간분을지%진주명목적안액%고효액상색보법
Ethylparaben%Zhenzhumingmu Eye Drops%HPLC
目的:建立测定珍珠明目滴眼液中羟苯乙酯含量的高效液相色谱方法。方法用ZORBAX Eclipse XDB-C18色谱柱,流动相为甲醇-1%冰醋酸溶液(55∶45),检测波长254nm,流速0.8mL· min 1。结果羟苯乙酯的线性范围为15.05~301μg· mL 1(r=1.000),平均回收率为99.72%,RSD为0.33%(n=6);结论该方法简便、准确、重复性好,适用于检测珍珠明目滴眼液中抑菌剂羟苯乙酯的含量测定。
目的:建立測定珍珠明目滴眼液中羥苯乙酯含量的高效液相色譜方法。方法用ZORBAX Eclipse XDB-C18色譜柱,流動相為甲醇-1%冰醋痠溶液(55∶45),檢測波長254nm,流速0.8mL· min 1。結果羥苯乙酯的線性範圍為15.05~301μg· mL 1(r=1.000),平均迴收率為99.72%,RSD為0.33%(n=6);結論該方法簡便、準確、重複性好,適用于檢測珍珠明目滴眼液中抑菌劑羥苯乙酯的含量測定。
목적:건립측정진주명목적안액중간분을지함량적고효액상색보방법。방법용ZORBAX Eclipse XDB-C18색보주,류동상위갑순-1%빙작산용액(55∶45),검측파장254nm,류속0.8mL· min 1。결과간분을지적선성범위위15.05~301μg· mL 1(r=1.000),평균회수솔위99.72%,RSD위0.33%(n=6);결론해방법간편、준학、중복성호,괄용우검측진주명목적안액중억균제간분을지적함량측정。
OBJECTIVE To establish a HPLC method for the determination of ethylparaben in Zhenzhumingmu Eye Drops.METHODS ZORBAX Eclipse XDB-C18 column was used with methanol-1%acetic acid solution (55∶45) as mobile phase.The UV detection wavelength was at 254nm,as the flow rate was 0.8 mL· min-1.RESULTS The linear range of ethylparaben was 15.05~301μg· mL-1 ( r=1.000 ).The average recovery was 99.72%with RSD of 0.33%( n=6 ).CONCLUSION The method is convenient ,accurate and good repeatable ,which is suitable for the determination of ethylparaben as bacteriostat in Zhenzhumingmu Eye Drops.