【摘要】 设计了简易的顶空采样器。用顶空气相色谱法对多种市售食醋、酱油中的微量易挥发有机物进行了定量测定。采用待测样品做背景配制标准系列,以数理统计的方法进行定量计算。为研究各种食醋、酱油的风味提供了可靠简便的检测手段。更多还原

【Abstract】 A simple and convenient headspace sample collector was designed. The quantitative determination of a tiny amount of volatile organic compounds in a variety of vinegars,soy sauces by headspace gas chromatography was made. Standard series were prepared under the background of samples to be determined. The quantitative calcularion was made by means of mathematical and physical statistic method. It provided a reliable,simlp and convenient test way for studying the special flavors of varieties of vinegar and soy sauce.更多还原