引用本文:那晶晶1,2,余秀娟1,2,曾钰1,2.活性炭管吸附气相色谱法测定工作场所中环氧丙烷、环氧氯丙烷[J].环境监控与预警,2015,7(1):15-17
NA Jing jing1,2,YU Xiu juan1,2,ZENG Yu1,2.Determination of Epoxypropane and Epichlorohydrin by GC Combined with Activated Carbon Tube Adsorption[J].Environmental Monitoring and Forewarning,2015,7(1):15-17
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活性炭管吸附气相色谱法测定工作场所中环氧丙烷、环氧氯丙烷
那晶晶1,2,余秀娟1,2,曾钰1,21,2
1.苏州出入境检验检疫局综合技术中心,江苏 苏州 215000;2.苏州世标检测技术有限公司,江苏 苏州 215000
摘要:
建立了一种利用活性炭管采样,二硫化碳洗脱,DB-624UI气相色谱柱(30 m×0.25 mm×1.4 μm)进行分离,FID检测器检测的测定环氧丙烷和环氧氯丙烷的气相色谱方法。结果显示,环氧丙烷和环氧氯丙烷在0.5~50 mg/L范围内线性关系良好,方法检出限达到了0.026 mg/m3和0.048 mg/m3(以采集4.5 L空气样品计);环氧丙烷平均解析效率84.84%(RSD=1.770),环氧氯丙烷平均解析效率92.07%(RSD=2.270),适用于工作场所中环氧丙烷和环氧氯丙烷的同时测定。
关键词:  环氧丙烷  环氧氯丙烷  活性炭管  解析
DOI:
分类号:X851
基金项目:
Determination of Epoxypropane and Epichlorohydrin by GC Combined with Activated Carbon Tube Adsorption
NA Jing jing1,2,YU Xiu juan1,2,ZENG Yu1,21,2
1.Suzhou Entry Exit Inspection and Quarantine Bureau,Suzhou, Jiangsu 215000, China;2.Suzhou World Standard Testing Technology Co.Ltd.,Suzhou, Jiangsu 215000, China
Abstract:
An efficient and rapid method for analysing epoxypropane and epichlorohydrin was set up.The sample was absorbed by carbon tube, eluted by CS2, separated by the capillary column DB 624UI:30m×0.25mm×1.4μm, then detected by FID detector. Results showed that epoxypropane and epichlorohydrin had good linear relationship in the range of 0.5~50 mg/L. The detection limits were 0.026 mg/m3 and 0.048 mg/m3. The average elution efficiency of epoxypropane was 84.84% (RSD=1.770) and epichlorohydrin was 92.07% (RSD=2.270). This method can be applied to determine of epoxypropane and epichlorohydrin in work place,simultaneously.
Key words:  Epoxypropane  Epichlorohydrin  Carbon tube  Solvent elution