Title:
REFERENCE ELECTRODE
Document Type and Number:
WIPO Patent Application WO/2012/026514
Kind Code:
A1
Abstract:
A reference electrode which does not require the use of a gelled hydrophobic ionic liquid that has a hardness or viscosity at or above a prescribed level that is difficult to manufacture, and that is very thick etc., and which is capable of improving product life cycle. The reference electrode (100) is provided with an internal electrode (1), and a container (3) that contains a filler (2) that electrically connects the internal electrode (1) and a sample liquid (4). The filler (2) forms a layer between the internal electrode (1) and an opening (31) provided to the container (3) so that the sample liquid (4) and the filler (2) come into contact. The filler is composed of: a first layer (21) comprising an aqueous electrolyte solution, formed so as to come into contact with the internal electrode; a second layer (22) comprising a hydrophobic ionic liquid, formed so as to come into contact with the first layer; and a third layer (23) comprising a gelled hydrophobic ionic liquid, that comes into contact with the second layer (22) and is formed in the opening (21).
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Inventors:
SHIBATA MANABU (JP)
IWAMOTO YASUKAZU (JP)
IWAMOTO YASUKAZU (JP)
Application Number:
PCT/JP2011/069142
Publication Date:
March 01, 2012
Filing Date:
August 25, 2011
Export Citation:
Assignee:
HORIBA LTD (JP)
SHIBATA MANABU (JP)
IWAMOTO YASUKAZU (JP)
SHIBATA MANABU (JP)
IWAMOTO YASUKAZU (JP)
International Classes:
G01N27/30
Domestic Patent References:
| WO2008032790A1 | 2008-03-20 | |||
| WO2008032790A1 | 2008-03-20 |
Foreign References:
| JP2009156836A | 2009-07-16 | |||
| JP2007064971A | 2007-03-15 | |||
| JP2007064971A | 2007-03-15 |
Other References:
TAKASHI KAKIUCHI: "Shin Byori no Enkyo o Tsukuru", CHEMISTRY & CHEMICAL INDUSTRY, vol. 61, no. 11, 1 November 2008 (2008-11-01), pages 1053 - 1055, XP008169977
TAKASHI KAKIUCHI ET AL.: "New Class of Ag/AgCl Electrodes Based on Hydrophobic Ionic Liquid Saturated with AgCl", ANALYTICAL CHEMISTRY, vol. 79, no. 18, 15 September 2007 (2007-09-15), pages 7187 - 7191, XP055114560
See also references of EP 2610611A4
TAKASHI KAKIUCHI ET AL.: "New Class of Ag/AgCl Electrodes Based on Hydrophobic Ionic Liquid Saturated with AgCl", ANALYTICAL CHEMISTRY, vol. 79, no. 18, 15 September 2007 (2007-09-15), pages 7187 - 7191, XP055114560
See also references of EP 2610611A4
Attorney, Agent or Firm:
NISHIMURA, RYUHEI (JP)
Ryuhei Nishimura (JP)
Ryuhei Nishimura (JP)
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Claims:
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