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试验通过真空条件下加热蒸馏的方法将试样中1,4-二氧杂环己烷提取出来,用气相色谱仪进行定量分析,方法的平均回收率为90.55%,RSD为5.38%。
In the experiment, 1,4-dioxane in the sample was extracted by heating distillation under vacuum condition, and the gas chromatography was used for quantitative analysis. The average recoveries were 90.55% and RSD was 5.38%.