工作场所空气中N-异丙基苯胺检测的气相色谱法  

Gas chromatography for determination of N-isopropylaniline in workplace atmosphere

作　　者：宣靓 潘兴富[2] 刘晓东[2] 闫慧芳[2] 张艳淑[1] 

机构地区：[1]河北联合大学公共卫生学院,唐山063000 [2]中国疾病预防控制中心职业卫生与中毒控制所

出　　处：《中华劳动卫生职业病杂志》2015年第2期143-145,共3页Chinese Journal of Industrial Hygiene and Occupational Diseases

摘　　要：目的 建立工作场所空气中N-异丙基苯胺气相色谱检测方法.方法 以硅胶管采集空气样品后用丙酮解吸,经DB-WAX色谱柱分离,用气相色谱FID检测器进行检测.结果 N-异丙基苯胺在1.40～665.0 μg/ml范围内具有线性相关性,方法采样效率为100％,准确度为96％～99％,精密度为2.1％～7.0％,最低检出浓度为0.056 mg/m^3（以采集7.5 L空气样品计）.结论 该方法研究结果符合分析方法要求,适用于工作场所空气中N-异丙基苯胺的测定.Objective To establish a method for determination of N-isopropylaniline in the workplace atmosphere by gas chromatography.Methods Air samples were collected by silica gel tube and desorbed by acetone.Then they were separated through DB-WAX columns and N-isopropylaniline was determined by flame ionization detector.Results The concentration of N-isopropylaniline showed a good linear relationship within the range of 1.40～665.0 μg/ml.The sampling efficiency was 100%.The accuracy was 96% ～99% and the precision was 2.1%～7.0%.The minimum detectable concentration was 0.056 mg/m^3 （with sampled air volume of 7.5 L）.Conclusion The method meets the requirements of analysis and applies to the determination of N-isopropylaniline in the workplace atmosphere.

关 键 词：N-异丙基苯胺 色谱法 气相 工作场所 

分 类 号：R134.4[医药卫生—劳动卫生] O657.71[医药卫生—公共卫生与预防医学]