Determination of Residual Solvents in Rg by Gas Chromatograph

ZHANG Jian-min; ZHANG Yu-jia; XIANG Li; CHEN Shao-hua; ZHENG Wen-sheng; WANG Jin-yu

doi:10.11653/syfj2013240118

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Determination of Residual Solvents in Rg by Gas Chromatograph

更新时间：2024-01-04

- Determination of Residual Solvents in Rg by Gas Chromatograph
- Chinese Journal of Experimental Traditional Medical Formulae Vol. 19, Issue 24, Pages: 118-120(2013)
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- DOI：10.11653/syfj2013240118
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- Published：2013
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ZHANG Jian-min, ZHANG Yu-jia, XIANG Li, et al. Determination of Residual Solvents in Rg by Gas Chromatograph[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(24): 118-120.
DOI：

ZHANG Jian-min, ZHANG Yu-jia, XIANG Li, et al. Determination of Residual Solvents in Rg by Gas Chromatograph[J]. Chinese journal of experimental traditional medical formulae, 2013, 19(24): 118-120. DOI： 10.11653/syfj2013240118.

摘要

目的：建立气相色谱法测定人参皂苷Rg1中有机残留量的方法。方法：采用气相色谱法，FID检测器， DB-624 （30 m×0.32 mm，0.25 μm），载气为氮气，柱温为恒温50℃，进样口温度200℃，检测器温度200℃，以水为溶剂配制对照溶液及供试品溶液。结果：在所考察的浓度范围内具有良好的线性，乙醇的检测限为1.0 μg·L-1，精密度RSD<1.0%。平均回收率为90%~105% 结论：经方法学验证，该检测方法简便灵敏，结果准确可靠，适用于人参皂苷Rg1原料药中有机溶剂残留量的检测。

Abstract

Objective: To establish a method for the determination of residual solvents in Rg1 by GC. Method: The detector was FID.The analytical column was DB-624(0.32 mm×30 m

0.25 μm).The injector temperature was 200℃

and the detector temperature was 200℃.The column temperature was 50℃.Nitrogen as the carrier gas and the water as solvent media. Result: It had a good linearity in the experimental concentration.The detection limit of ethanol was 1.0 ng·mL-1.The RSD of precision was all less than 1.0%.The average recovery was 90%-105%. Conclusion: This method was simple

sensitive. accurate and can be used for the detection of f residual solvents in Rg1.

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