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Simultaneous determination of seven chemicals of halogenated alkanes and aromatic hydrocarbons in the air of workplace by gas chromatography
Author(s): LI Tian-di, ZHOU Wei, YI Juan, ZHANG Wen, LIN Yi-ran, LI Shuang-feng
Pages: 146-
147
Year: 2011
Issue:
2
Journal: Chinese Journal of Industrial Hygiene and Occupational Diseases
Keyword: Workplace; Alkanes; Hydrocarbons; aromatic; Chromatography; gas;
Abstract: 目的 建立工作场所空气中三氯甲烷、1,2-二氯乙烷、四氯化碳、苯、甲苯、乙苯和二甲苯7种卤代烷烃类及芳香烃类化合物的溶剂解吸气相色谱测定方法.方法 采用活性炭管采集空气样品,二硫化碳解吸,经FFAP毛细管色谱柱分离,气相色谱法测定.结果 本法分离良好,相关系数均>0.999;最低检出浓度为0.2~3.6 mg/m3;相对标准偏差为1.2%~4.6%;解吸效率为94.9%~100.7%.结论 该方法...
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