气相色谱法测定大气中氪和氙
GC Determination of Krypton and Xenon in Air
摘 要
设计了一套测定气体的可调压进样装置,提出了气相色谱法-脉冲放电氦离子化检测器测定大气中氪和氙的含量.通过采用低温分离、柱程序升温及高效吸气柱消除了样品中基体气体对氪、氙测定的干扰.氪和氙的检出限(3S/N)分别为11 pg和24 pg.
大气
氪
氙
Gas chromatography
Air
Krypton
Xenon
Abstract
A method of GC with pulse discharge helium ionization detector (PDHID) for the determination of krypton and xenon in air was proposed and the pressure adjustable installation for gas sample introduction was designed.The matrix interference of air was eliminated by low-temperature separation,temperature elevation programming of the column and the high efficiency getter column.Values of detection limit (3S/N) of krypton and xenon found were 11 pg and 24 pg,respectively.
中图分类号 O657.7
所属栏目 试验与研究
基金项目
收稿日期 2009/7/31
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备注张海涛(1971-),男,吉林磐石人,副研究员,硕士,主要从事气相色谱技术研究.
引用该论文: ZHANG Hai-tao,CHEN Zhan-ying,ZHANG Li-xing,ZENG Bin. GC Determination of Krypton and Xenon in Air[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2010, 46(7): 717～719
张海涛,陈占营,张利兴,曾斌. 气相色谱法测定大气中氪和氙[J]. 理化检验－化学分册, 2010, 46(7): 717～719
被引情况:
【1】罗宁,陈云明,曹其如,张劲松, "气相色谱法测定回收铀和天然铀燃料棒裂变气体中的氪和氙",理化检验－化学分册 52, 719-721(2016)
【2】罗宁,张劲松,陈云明,曹其如, "气相色谱法测定燃料元件裂变气体中氪、氙",理化检验－化学分册 52, 179-182(2016)
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参考文献
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【2】WENTWORTH W E,CAI Hua-min,STEARNS S.Pulsed discharge helium ionization detector universal detector for inorganic and organic compounds at the low pictogram level[J].J Chromatography A,1994,688:135-152．
【3】GREMAUD G,WENTWORTH W E,ZLATKIS A,et al.Windowless pulsed-discharge photoionization detector application to qualitative analysis of volatile organic compounds[J].J Chromatography A,1996,724:235-250．
【4】LASA J,MOCHLSKI P,LOKAS E,et al.Application of a pulsed-discharge helium detector to the determination of neon in air and water[J].J Chromatography A,2002,968:263-267．
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