工作场所空气中28种挥发性有机物的气相色谱快速测定法  

Rapid determination of 28 kinds of Volatile Organic Compounds in Workplace Air by Gas Chromatography

作　　者：陈小丽[1] 梁春霞[1] 苏丹华[1] 陈敏[1] 

机构地区：[1]广州铁路疾病预防控制中心检验科,广东省广州市510010

出　　处：《职业与健康》2011年第7期768-770,共3页Occupation and Health

基　　金：广铁(集团)公司科技项目(2010K49)

摘　　要：目的建立工作场所空气中28种挥发性有机物的快速测定方法。方法用活性炭采集工作场所空气中挥发性有机物,经二硫化碳解析后用毛细管气相色谱法测定。结果 28种挥发性有机物在一定浓度范围内线性关系良好,相关系数r>0.995,相对标准偏差为0.4%～6.5%,最低检出限远低于职业化学中毒现场剂量水平,目标组分平均解吸效率在77.3%～105.8%。结论方法准确度高,操作简便,灵敏快速,适用于工作场所空气中挥发性有机物的快速测定。[Objective]To establish a method for rapid determination of 28 kinds of volatile organic compounds in workplace air.[Methods]Volatile organic compounds in the air was adsorbed by activated carbon,desorbed by carbon bisulfide,then determined with capillary gas chromatography.[Results]The curve of 28 kinds of volatile organic compounds showed good linear relationship in a certain range.The correlation coefficient r0.995.The relative standard deviation（RSD） was 0.4%～6.5%.The detection limit was much more lower than poisoning dosage level in the workplace air,while the average desorption efficiency of target component was 77.3%～105.8%.[Conclusion]This method is accurate,simple,sensitive,rapid.It is suitable to detect volatile organic compounds in workplaceair.

关 键 词：挥发性有机物 工作场所空气 气相色谱法 

分 类 号：R115[医药卫生—公共卫生与预防医学]