| 蒸馏酒中甲醇和杂醇油测定的色谱条件优化 |
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| 引用本文： | 湛社霞,卢佑演,张宏,臧李纳,孙世宏. 蒸馏酒中甲醇和杂醇油测定的色谱条件优化[J]. 中国卫生检验杂志, 2011, 0(8) |
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| 作者姓名： | 湛社霞 卢佑演 张宏 臧李纳 孙世宏 |
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| 作者单位： | 广东省广州市天河区疾病预防控制中心; |
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| 摘 要： | 目的:研究不同色谱条件对蒸馏酒中甲醇和杂醇油测定的影响,对干扰甲醇测定的物质进行定性鉴别,优化色谱分离条件。方法:比较不同色谱柱的分离效果,研究不同的色谱条件对甲醇和杂醇油测定的影响,采用双柱定性和标准加入法对干扰物质进行定性确证。结果:乙醛干扰甲醇的测定,两种物质保留时间仅相差10 s,WAX、FFAP等毛细管柱无法有效分离甲醇和乙醛,GDX-102填充柱可有效分离两种物质。结论:GDX-102填充柱可去除乙醛对甲醇的干扰,使两种物质完全分离,色谱条件的变化对杂醇油的测定无明显影响。
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| 关 键 词： | 气相色谱法 蒸馏酒 甲醇 乙醛 杂醇油 |
Optimization of GC Conditions on determination of methanol and fusel oil in the distilled liquors |
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| ZHAN She-xia,LU You-yan,ZHANG Hong,ZANG Li-na,SUN Shi-hong. Optimization of GC Conditions on determination of methanol and fusel oil in the distilled liquors[J]. Chinses Journal of Health Laboratory Technology, 2011, 0(8) |
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| Authors: | ZHAN She-xia LU You-yan ZHANG Hong ZANG Li-na SUN Shi-hong |
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| Affiliation: | ZHAN She-xia,LU You-yan,ZHANG Hong,ZANG Li-na,SUN Shi-hong(Tianhe Center for Disease Control and Prevention,Guangzhou 510655,China) |
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| Abstract: | Objective:To evaluate the influence of different GC conditions on determination of methanol and fusel oil in the distilled liquors,identify the substances interfering the determination of methanol and optimize the GC conditions.Methods:Compare the separation efficiency of different columns and discuss the influence of various GC conditions on the determination of methanol and fusel oil.Use double column qualitative and standard addition method to identify the interfering substance.Results:Methanol was inter... |
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| Keywords: | Gas chromatography Distilled Liquors Methanol Acetaldehyde Fusel Oil |
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