Development of Sniffing Atmospheric Pressure Penning Ionization
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- IWAMA Takashi
- Clean Energy Research Center, University of Yamanashi
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- HIROSE Mitsutaka
- Clean Energy Research Center, University of Yamanashi
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- YAZAWA Isao
- Clean Energy Research Center, University of Yamanashi
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- OKADA Hiroshi
- Clean Energy Research Center, University of Yamanashi
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- HIRAOKA Kenzo
- Clean Energy Research Center, University of Yamanashi
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The atmospheric pressure Penning ionization was applied to the analysis of atmospheric-pressure ambient gaseous samples. The metastable rare gas atoms (Rg*) were produced by a negative-mode corona discharge of reagent rare gas (Rg). The rare gas containing Rg* in the discharge cell flowed out into the ion source cell through a nozzle with an inner diameter of 1 mm as a jet stream. The jet stream acts as a gas-jet pump and the pressure of the ion source cell becomes somewhat lower than the atmospheric pressure. The sample gas at ambient atmospheric pressure was sucked into the reduced-pressure ion source cell through the stainless steel tube (10 cm in length, 1 mm in diameter). The sample gases introduced in the ion source cell are ionized by Penning ionization. This technique was found to be applicable to various gaseous samples such as aromatic compounds, oxygen- and nitrogen-containing compounds, etc. However, no ion signal could be detected for aliphatic hydrocarbons. This may be due to the much smaller ionization cross sections for these compounds than N2 and O2 molecules which are introduced into the ion source together with sample gases.
収録刊行物
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- 質量分析
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質量分析 54 (6), 227-233, 2006
一般社団法人 日本質量分析学会
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詳細情報 詳細情報について
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- CRID
- 1390282681471223808
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- NII論文ID
- 10018403866
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- NII書誌ID
- AN0010555X
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- ISSN
- 18804225
- 18843271
- 13408097
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- NDL書誌ID
- 8599712
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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