OPTICAL MEASURING EQUIPMENT - CITIZEN WATCH CO LTD

Title:

OPTICAL MEASURING EQUIPMENT

Document Type and Number:

WIPO Patent Application WO/2005/093410

Kind Code:

A1

Abstract:

Optical measuring equipment is provided for measuring concentration at a higher accuracy by providing an ion-exchange resin for pretreatment of a sample. The optical measuring equipment is provided with the ion-exchange resin and an optical measuring part which measures concentration of ingredients of the sample which has passed through the ion-exchange resin, based on the optical characteristics of the ingredients.

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Inventors:

YANO TAKAKAZU (JP)
MATSUMOTO KENJI (JP)
FUKUDA TADAHIRO (JP)
SUGIURA MIHARU (JP)

Application Number:

PCT/JP2005/006564

Publication Date:

October 06, 2005

Filing Date:

March 29, 2005

Export Citation:

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Assignee:

CITIZEN WATCH CO LTD (JP)
YANO TAKAKAZU (JP)
MATSUMOTO KENJI (JP)
FUKUDA TADAHIRO (JP)
SUGIURA MIHARU (JP)

International Classes:

B01J39/04; B01J41/04; B01J47/04; B01J49/00; G01N21/21; G01N30/00; G01N30/26; G01N30/50; G01N30/74; G01N30/88; G01N30/96; G01N33/493; (IPC1-7): G01N33/493; G01N21/21; G01N30/00; G01N30/26; G01N30/48; G01N30/50; G01N30/74; G01N30/88

Foreign References:

JPH0980037A	1997-03-28
JP2001141709A	2001-05-25
JPS57127848A	1982-08-09
JP2002098628A	2002-04-05

Attorney, Agent or Firm:

Aoki, Atsushi (ISHIDA & ASSOCIATES Toranomon 37 Mori Bldg., 5-1, Toranomon 3-chom, Minato-ku Tokyo 23, JP)

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