The server is under maintenance between 08:00 to 12:00 (GMT+08:00), and please visit later.
We apologize for any inconvenience caused
Login  | Sign Up  |  Oriprobe Inc. Feed
China/Asia On Demand
Journal Articles
Laws/Policies/Regulations
Companies/Products
Bookmark and Share
Determination of residual ethanol solvent in Dihydroartemisinin and Piper aquine Phosphate Tablets by headspace gas chromatography
Author(s): 
Pages: 504-506
Year: Issue:  9
Journal: Qilu Pharmaceutical Affairs

Keyword:  气相色谱法双氢青蒿素哌喹片乙醇残留;
Abstract: 目的 建立双氢青蒿素哌喹片中乙醇残留检测方法.方法 采用顶空气相色谱法,色谱柱:HP-Innowax(0.32 mm×30 m,0.5 μm),柱温:程序升温,初始温度50 ℃,保持7 min,以每分钟10 ℃速率升温至150 ℃,保持2 min;进样口温度180 ℃,FID检测器温度250 ℃,正丙醇为内标物,载气为氮气.顶空平衡温度:85 ℃,平衡时间,25 min.结果 乙醇、正丙醇分离度良好,乙醇在0.065 07~1.041 2 mg·mL-1 范围内线性关系良好(r=0.999 9),平均加样回收率为102.0%,其RSD为2.20%.结论 该方法操作简便快速,灵敏度高,准确度好,可作为双氢青蒿素哌喹片中乙醇残留测定.
Related Articles
No related articles found