Alternative Plugs Flow Liquid Chromatography (APFLC)/EI-MS System Using a T-shaped Flow Path
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- TANIKAWA Isao
- Infra-red Spectroscopy Analytical Laboratory
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- KONUMA Miwako
- Corporate Research & Development, Toyo Seikan Group
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- HOSONO Hiroko
- Corporate Research & Development, Toyo Seikan Group
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- NAKAMURA Hiroshi
- Department of Analytical Chemistry, Faculty of Pharmaceutical Sciences, Tokyo University of Science
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The vapor condensation method can be used for forming an alternative flow of liquid masses using a single solvent for alternative plugs flow liquid chromatography (APFLC), described in our previous paper. APFLC is more effective when adopting a T-shaped flow path and aqueous-organic solvents with a liquid-to-gas volume ratio (bulk fraction; β) ranging between 0.0006 and 0.004 in an open tubular GC capillary column at below 70°C. High-density plugs flow by a T-shaped flow path leads to extremely high resolution. Alternative plugs flow is formed when the liquid contact angle to the solid phase is above 75°. An aqueous mixture of the usual HPLC solvent can be readily used for APFLC. An EI-mass spectrum is obtained that is comparable with that in the NIST library, except for the DMF mixture medium. Due to low-pressure loss properties in the column, the system does not require a high-pressure liquid pump. Solid hydrocarbon resin with a contact angle to water of between 75° and 79°, such as polystyrene and olefinic polymers, is anticipated to be applicable to APFLC and hydro-membrane gas chromatography (HMGC) by a consideration of their surface tensions.
収録刊行物
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- Analytical Sciences
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Analytical Sciences 27 (1), 95-99, 2011
社団法人 日本分析化学会
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詳細情報 詳細情報について
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- CRID
- 1390001204258849664
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- NII論文ID
- 10027739866
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- NII書誌ID
- AA10500785
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- ISSN
- 13482246
- 09106340
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- NDL書誌ID
- 10932935
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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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