山西医药杂志
山西醫藥雜誌
산서의약잡지
SHANXI MEDICAL JOURNAL
2014年
2期
129-130
,共2页
罗斌华%丁洁琼%肖若蕾
囉斌華%丁潔瓊%肖若蕾
라빈화%정길경%초약뢰
色谱法 ,高压液相%格列吡嗪%微球
色譜法 ,高壓液相%格列吡嗪%微毬
색보법 ,고압액상%격렬필진%미구
Chromatography,high pressure liquid%Glipizide%Microspheres
目的:采用反相高效液相色谱法测定格列吡嗪微球中的含量。方法采用 Agilent Eclipse XDB-C18色谱柱(150 mm ×4.6 mm ,5μm),以0.1 mol/L磷酸二氢钠(用氢氧化钠溶液调节pH至6.00±0.05)-甲醇(50∶50)为流动相;流速为1.0 mL/min ,紫外检测波长为275 nm。结果格列吡嗪在5~50μg/mL与峰面积呈良好的线性关系( r =0.9998),方法平均回收率为100.06%,RSD =0.214%。结论反相高效液相色谱法测定格列吡嗪缓释微球的含量简便易行,专属性强,灵敏度高,重复性好,结果准确。
目的:採用反相高效液相色譜法測定格列吡嗪微毬中的含量。方法採用 Agilent Eclipse XDB-C18色譜柱(150 mm ×4.6 mm ,5μm),以0.1 mol/L燐痠二氫鈉(用氫氧化鈉溶液調節pH至6.00±0.05)-甲醇(50∶50)為流動相;流速為1.0 mL/min ,紫外檢測波長為275 nm。結果格列吡嗪在5~50μg/mL與峰麵積呈良好的線性關繫( r =0.9998),方法平均迴收率為100.06%,RSD =0.214%。結論反相高效液相色譜法測定格列吡嗪緩釋微毬的含量簡便易行,專屬性彊,靈敏度高,重複性好,結果準確。
목적:채용반상고효액상색보법측정격렬필진미구중적함량。방법채용 Agilent Eclipse XDB-C18색보주(150 mm ×4.6 mm ,5μm),이0.1 mol/L린산이경납(용경양화납용액조절pH지6.00±0.05)-갑순(50∶50)위류동상;류속위1.0 mL/min ,자외검측파장위275 nm。결과격렬필진재5~50μg/mL여봉면적정량호적선성관계( r =0.9998),방법평균회수솔위100.06%,RSD =0.214%。결론반상고효액상색보법측정격렬필진완석미구적함량간편역행,전속성강,령민도고,중복성호,결과준학。
Objective To determine the loading amount of glipizide sustained-release microspheres by RP-HPLC .Methods An RP-HPLC method was employed for determination using Agilent Eclipse XBD-C18 column (150 mm × 4 .6 mm ,5 μm) with a mobile phase consisted of methanol-buffer solution(0 .1mol/L sodium hydrox-ide)(50∶50) ,at a flow rate of 1 .0 mL/min and the detection wavelength of 275 nm .Results Good linearity was achieved in the range of 5~50 μg/mL( r =0 .999 8) .The recovery was 100 .06% with RSD of 0 .214% .Conclu-sion T his method appeared easy-to-use ,specific ,sensitive ,reproducible and accurate ..