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gong zuo chang suo kong qi zhong liu lv ding er xi de qi xiang se pu ce ding fa
Author(s): ZHANG Yan, YANG Longbiao, XU Jingshu
Pages: 507-
508
Year: 2009
Issue:
8
Journal: Chinese Journal of Industrial Hygiene and Occupational Diseases
Keyword: 六氯丁二烯; 空气; 色谱法; 气相;
Abstract: 目的 建立工作场所空气中六氯丁二烯的测定方法.方法 以活性炭吸附管采集空气中的六氯丁二烯,以正己烷溶剂解吸,经HP-5毛细色谱柱分离,μ-ECD测定.结果 六氯丁二烯线性范围0.07~3.26 μg/ml,相对标准偏差2.52%~4.68%,回归方程为Y=5.25X-12.6,r=0.9993,方法最低检出浓度为3.33×10-3 mg/m3(采样体积以3 L计),解吸效率为91.8%~93.8%,相对标准偏差为3.01%~3.85%,采样效率为100%,穿透容量为1.0 mg,低温避光保存,样品可稳定7 d.结论 该方法各项指标均能达到<工作场所空气中毒物检测方法研究规范>的要求,现场应用试验也得到了相符性结论.该方法适用于工作场所空气中六氯丁二烯的检测.
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