Title:
EXTRACTOR AND CHEMICAL ANALYZER
Document Type and Number:
WIPO Patent Application WO/2002/023180
Kind Code:
A1
Abstract:
An extractor for efficiently extracting a specific component in a liquid sample in which a projection (232) composed of a coupling member to couple with a specific component is provided in a passage of an extracting unit, counter electrodes (230, 231) are provided on a side wall of the passage, an alternating electric field is applied to the counter electrodes to bring the specific component into contact with the projection and to allow the specific component to couple with the projection, and the coupled specific component is separated from the projection by allowing an eluent to flow through the passage.
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Inventors:
NAGAOKA YOSHIHIRO (JP)
WATANABE NARUO (JP)
IKEDA YUKIKO (JP)
AKASHI TERUHISA (JP)
MIYAHARA YUJI (JP)
WATANABE NARUO (JP)
IKEDA YUKIKO (JP)
AKASHI TERUHISA (JP)
MIYAHARA YUJI (JP)
Application Number:
PCT/JP2000/006350
Publication Date:
March 21, 2002
Filing Date:
September 18, 2000
Export Citation:
Assignee:
HITACHI LTD (JP)
NAGAOKA YOSHIHIRO (JP)
WATANABE NARUO (JP)
IKEDA YUKIKO (JP)
AKASHI TERUHISA (JP)
MIYAHARA YUJI (JP)
NAGAOKA YOSHIHIRO (JP)
WATANABE NARUO (JP)
IKEDA YUKIKO (JP)
AKASHI TERUHISA (JP)
MIYAHARA YUJI (JP)
International Classes:
B01D11/04; B81B1/00; B01L3/00; G01N1/40; (IPC1-7): G01N27/447; B01J19/08; G01N31/20; G01N33/50
Domestic Patent References:
| WO1991008284A1 | 1991-06-13 | |||
| WO1993020927A1 | 1993-10-28 |
Foreign References:
| JPH08327594A | 1996-12-13 | |||
| JPH05126796A | 1993-05-21 | |||
| US5795457A | 1998-08-18 | |||
| JPH09210960A | 1997-08-15 | |||
| JPH08233778A | 1996-09-13 |
Attorney, Agent or Firm:
Sakuta, Yasuo (Ltd. 5-1, Marunouchi 1-chome Chiyuda-ku Tokyo, JP)
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