The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异
溶剂,壬内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙
,乙测定结果的相对标准偏差小于1%,平均回收率99。
（通常指1-壬）The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异溶剂,壬内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙,乙测定结果的相对标准偏差小于1%,平均回收率99。
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