Determination of Residual Ethanol Solvents in Submicro-emulsion of the Extracts from Scutellaria by Internal Standard Method of GC

SHI Jun-hui1; SHI Ya-jun1; TANG Mei1; LIU Jian-yun1; YANG Sheng2; YANG Ming1

doi:10.13422/j.cnki.syfjx.2011.15.031

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Determination of Residual Ethanol Solvents in Submicro-emulsion of the Extracts from Scutellaria by Internal Standard Method of GC

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- Determination of Residual Ethanol Solvents in Submicro-emulsion of the Extracts from Scutellaria by Internal Standard Method of GC
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 17, Issue 15, Pages: 66-68(2011)
- 作者机构：
  
  1. 成都中医药大学药学院
  2. 成都医学院
  3. 江西中医学院现代中药制剂教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.13422/j.cnki.syfjx.2011.15.031
  CLC： R284
- Published：2011
- 稿件说明：
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[1]施俊辉,史亚军,唐梅,刘剑云,杨胜,杨明.气相色谱内标法测定黄芩提取物亚微乳中的乙醇残留[J].中国实验方剂学杂志,2011,17(15):66-68.

SHI Jun-hui1, SHI Ya-jun1, TANG Mei1, et al. Determination of Residual Ethanol Solvents in Submicro-emulsion of the Extracts from Scutellaria by Internal Standard Method of GC[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(15): 66-68.
[1]施俊辉,史亚军,唐梅,刘剑云,杨胜,杨明.气相色谱内标法测定黄芩提取物亚微乳中的乙醇残留[J].中国实验方剂学杂志,2011,17(15):66-68. DOI： 10.13422/j.cnki.syfjx.2011.15.031.

SHI Jun-hui1, SHI Ya-jun1, TANG Mei1, et al. Determination of Residual Ethanol Solvents in Submicro-emulsion of the Extracts from Scutellaria by Internal Standard Method of GC[J]. Chinese journal of experimental traditional medical formulae, 2011, 17(15): 66-68. DOI： 10.13422/j.cnki.syfjx.2011.15.031.

摘要

目的:建立黄芩提取物亚微乳中的乙醇残留量的测定方法。方法:毛细管气相色谱法

以甲醇为内标

色谱柱为SUPELCOWAX10聚乙二醇毛细管柱

检测器为氢焰离子化检测器;程序升温（初始温度80℃

以8℃.min-1速率升至120℃）

载气为氮气

检测器为FID。结果:乙醇含量在0.101～1.005 g.L-1线性关系良好（R2=0.998 8）;平均回收率100.42%

RSD2.27%;最低检测限3.03 mg.L-1。结论:该法灵敏、准确、可靠

适用于本品中乙醇残留量测定。

Abstract

Objective:To determine the ethanol organic solvents in submicro-emulsion of the extracts from Scutellaria.Method:A simple gas chromatography（GC） method was developed with SUPELCOWAX10 polyethylene glycol capillary column with FID detector and methyl alcohol as the internal standard.The carrier gas was nitrogen.The initial column temperature was 80 ℃

then raised（8 ℃·min-1）to 120 ℃.Result:The linearity was good in the range of 0.101-1.005 g·L-1（R2=0.998 8）.The average recovery was 100.42%（RSD 2.27%）.The limit of detection was 3.03 mg·L-1.Conclusion:This GC method is proved to be accurate

sensitive and reliable

it can be used to determine the ethanol organic solvents in submicro-emulsion of the extracts from Scutellaria.

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