GC Determination of Acetaldehyde, Acrolein and Acrylonitrile in Water with Purge and Trap Technique
摘 要
提出了吹扫捕集-气相色谱法测定水中乙醛、丙烯醛和丙烯腈的分析方法。样品用Trap Vocarb 3000捕集阱吹扫、捕集及热解析后,用气相色谱法氢火焰离子化检测器分析。3种化合物的质量浓度在0.020~0.20 mg·L-1的相同范围内与其峰面积呈线性关系,方法的检出限(3S/N)分别为0.005,0.010,0.001 mg·L-1。标准加入回收率在90.0%~110.0%之间,相对标准偏差(n=7)均小于5%。
Abstract
Purge and trap technique was applied in the GC determination of acetaldehyde, acrolein and acrylonitrile in water. The analytes were purged, trapped and thermodesorbed using the Trap Vocarb 3000, and determined by GC with flame ionization detector (FID). Linear relationships between values of peak area and mass concentration of acetaldehyde, acrolein and acrylonitrile obtained were same in the range of 0.020-0.20 mg·L-1, with detection limits (3S/N) of 0.005, 0.010, 0.001 mg·L-1 respectively. Tests for recovery and precision were made by standard addition method, values of recovery found were in the range of 90.0%-110.0% and values of RSD′s (n=7) were less than 5%.
中图分类号 O657.7
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收稿日期 2010/8/12
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备注陆文娟(1969-),女,江苏苏州人,高级工程师,主要从事水质检测工作。
引用该论文: LU Wen-juan,WANG Jin-yu,CHEN Ling-hu,ZHAO Chen. GC Determination of Acetaldehyde, Acrolein and Acrylonitrile in Water with Purge and Trap Technique[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2011, 47(10): 1214~1215
陆文娟,王晋宇,陈玲瑚,赵辰. 吹扫捕集-气相色谱法测定水中乙醛、丙烯醛、丙烯腈[J]. 理化检验-化学分册, 2011, 47(10): 1214~1215
被引情况:
【1】李永亮,李健,李桂莲,于亭亭, "吹扫捕集-气相色谱法测定水稻田土壤中的敌稗",理化检验-化学分册 52, 1073-1075(2016)
【2】赵龙,钟瑞华,李腾峰,卢成,杨慧明, "高效液相色谱法测定汽车内饰件中的甲醛、乙醛和丙酮",理化检验-化学分册 52, 1194-1196(2016)
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参考文献
【1】张霞,齐力汇,孟祥萍,等.气相色谱法同时测定水中乙醛、丙烯醛[J].中国公共卫生, 2002,18(11):1381-1383.
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【3】GB/T 5750-2006生活饮用水标准检验方法[S].
【4】HJ/T 73-2001水质 丙烯腈的测定 气相色谱法[S].
【2】陈亚妍.生活饮用水卫生规范注释[M].北京:科学技术文献出版社, 2001:96.
【3】GB/T 5750-2006生活饮用水标准检验方法[S].
【4】HJ/T 73-2001水质 丙烯腈的测定 气相色谱法[S].
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