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介绍了国内6家实验室研究国际标准ISO 13110:2012《卷烟烟气冷凝物中薄荷醇的测定气相色谱法》精密度、萃取时间对测试结果的影响及其适用性等。结果表明:①萃取20与60 min对薄荷醇测试结果无显著影响;②该研究得到的精密度与ISO 13110:2012处于同一数量级,重复性限(r)与薄荷醇含量的比值小于10%,再现性限(R)与薄荷醇含量的比值为25%~45%。ISO 13110:2012规定的气相色谱法适用于国产薄荷型卷烟的测定。
The precision of the international standard ISO 13110: 2012 on the determination of menthol in cigarette smoke condensate, the influence of extraction time on the test results and its applicability were introduced. The results showed that: (1) There was no significant effect of 20 and 60 min on the menthol test results; (2) The precision obtained in this study was in the same order of magnitude as that of ISO 13110: 2012 with the ratio of repeatability (r) to menthol content less than 10% Reproducibility limit (R) to menthol content ratio of 25% to 45%. ISO 13110: 2012 provides the gas chromatography for the determination of domestic mint-type cigarettes.