Determination of Ethanol in Flavor Microcapsules by Ultrasound Assisted Total Vaporization Headspace - Gas Chromatography (TV HS-GC)

被引：1

作者：

Li, Wei ^{[1
]}

Liu, Xue-Yan ^{[1
]}

Yu, Kang ^{[1
]}

Luo, Ying-Chun ^{[1
]}

Nie, Deng-Pan ^{[1
]}

Dai, Yi ^{[1
]}

Wang, Hao ^{[2
]}

机构：

[1] Guizhou Minzu Univ, Sch Chem Engn, Siya Rd, Guiyang 550025, Peoples R China

[2] China Tobacco Yunnan Ind Co, Technol Ctr, Kunming, Yunnan, Peoples R China

来源：

ANALYTICAL LETTERS | 2023年 / 56卷 / 09期

关键词：

Ethanol; flavor microcapsules; gas chromatography (GC); headspace (HS); ultrasound-assisted total vaporization headspace gas chromatography (TV HS-GC); METHANOL;

D O I：

10.1080/00032719.2022.2134888

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Total vaporization (TV) headspace (HS) gas chromatography (GC) is reported for the determination of ethanol in flavor oil microcapsules. Fifteen microliters of sample were placed in a headspace sample vial and a near-complete mass transfer of ethanol from the liquid phase to the vapor phase was obtained within one minute at 105 degrees C. This approach allowed the determination of ethanol in the sample by gas chromatography. Under the optimal conditions, the performance of this method was investigated, showing good linearity and a low limit of quantification equal to 8.95 mg/L. The relative standard deviation was less than 3.3%, and the recovery ranged from 95.4% to 101.3%. The method was efficient, accurate, and suitable for the quality control determination of ethanol in oil phase systems.

引用

页码：1478 / 1487

页数：10

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