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目的：：采用气相色谱-质谱法( GC-MS)对10批一次性输液器,6批无菌鼻氧管的挥发性有机物进行测试,并分析产生气味的主要物质。方法：采用顶空进样装置提取样品中的挥发性成分,使用 HP-5MS 石英毛细管柱(30 m ×0.25 mm,0.25μm),程序升温,全扫描总离子图定性检测样品挥发性物质。结果：采用GC-MS法鉴别一次性输液器和无菌鼻氧管的挥发性化合物,共测定出19种嗅感物质,包括烃类、醇、醛和酯等羰基化合物。结合气味检测方法,发现2-乙基己醇浓度对样品气味等级影响最大。结论：部分样本气味评级高,可能与2-乙基己醇含量较高有关,应引起重视。“,”Objective:To characterize the volatile compounds in 10 batches of disposable infusion sets and 6 batches of nasal can-nulas by GC-MS and determine the main odor-active compounds. Methods:The volatile components were extracted using a headspace sampler. An HP-5MS capillary column (30 m × 0. 25 mm,0. 25 μm) was adopted, and the qualitative analysis was performed by total ion chromatography ( TIC) of full scan with temperature programmer. Results:A total of 19 major volatile compounds were identified, which were hydrocarbon, alcohol and carbonyl compounds (such as aldehyde and ester). Based on the combination of odor test and GC-MS, the concentration of alcohol compounds (2-ethyl hexanol, 2-EH) had the most notable effect on the odor of samples. Conclu-sion:The samples with unacceptable order contain 2-EH with relatively high content, which should be paid more attention.