正十一烷
- 网络n-undecane;undecane;nUNDC
正十一烷-
但奇碳数正构烷烃（正壬烷、正十一烷）与ETS标志物具有一定的相关性。
However , odd carbon n-alkanes ( n-nonane , n-undecane ) show better correlation with ETS markers .
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选用正十一烷酸为内标，采用毛细管气相色谱法测定酱油中的乙酰丙酸，样品回收率在83.4%～91.2%之间，标准线性关系良好，样品测定的变异系数小。
A simple and rapid method for the determination of laevulinic acid in soy sauce was developed . Selecting undecanoic acid as an internal standard , the average recovery rate was from 83.4 % to 91.2 % , and its relative standard deviation was 1.60 % .