| 自制固相微萃取装置-气相色谱法测定空气中痕量苯 |
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| 引用本文： | 何轶伦,任凤莲,高汨.自制固相微萃取装置-气相色谱法测定空气中痕量苯[J].环境科学与技术,2006,29(4):44-46. |
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| 作者姓名： | 何轶伦 任凤莲 高汨 |
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| 作者单位： | 中南大学粉末冶金研究院,长沙,410083 |
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| 摘 要： | 采用自制的固相微萃取(SPME)装置结合气相色谱仪(GC)对室内空气中痕量苯进行定性和定量的分析。阐述了固相微萃取法的原理和定量的机理;对影响SPME的因素(空气柱、萃取时间、解吸时间和温度)进行了讨论;对所建立的方法进行了系统评价,结果表明:建立的方法具有良好的线性关系(相关系数R=0.9998),检出限为0.01mg/L,3个含量点的相对标准偏差在允许的范围7%以内,回收率为98.18%。
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| 关 键 词： | 固相微萃取 气相色谱 痕量 苯 |
| 文章编号： | 1003-6504(2006)04-0044-03 |
| 收稿时间： | 2005-04-11 |
| 修稿时间： | 2005-06-30 |
Development of SPME-GC Method for Trace Benzene in Indoor Air |
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| HE Yi-lun,REN Feng-lian,GAO Mi.Development of SPME-GC Method for Trace Benzene in Indoor Air[J].Environmental Science and Technology,2006,29(4):44-46. |
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| Authors: | HE Yi-lun REN Feng-lian GAO Mi |
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| Abstract: | A method using solid phase micro-extraction (SPME) device combined with gas chromatography (GC) was developed for qualitative and quantitative determination of trace benzene in indoor air. The effect of SPME were discussed, including air column, extraction time, desorption temperature and time. Results showed that the method developed has good linear relations with correlation coefficient of 0.9998, detection limit of 0.01μg/L. Three relative standard deviations were less than 7% and recovery of 98.18%. |
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| Keywords: | solid phase micro-extraction gas chromatography trace benzene |
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