Title:
CHLORINE-CONCENTRATION-MEASURING COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2015/146326
Kind Code:
A1
Abstract:
The provision of a chlorine-concentration-measuring composition that reduces reagent-caused fouling, a measuring method using said chlorine-concentration-measuring composition, and a method for reducing fouling caused by a chlorine-concentration-measuring composition using either an aromatic sulfonic-acid polymer or a salt thereof. This invention provides the following: a chlorine-concentration-measuring composition that contains either an aromatic sulfonic-acid polymer or a salt thereof; a chlorine-concentration-measuring composition that contains (a) a color reagent for detecting residual chlorine and (b) an aromatic sulfonic-acid polymer or a salt thereof; a chlorine-concentration measurement method using said composition; and a method for reducing or preventing fouling due to a chlorine-concentration-measuring composition containing either an aromatic sulfonic-acid polymer or a salt thereof.
Inventors:
TAKAHASHI JUNICHI (JP)
Application Number:
PCT/JP2015/053631
Publication Date:
October 01, 2015
Filing Date:
February 10, 2015
Export Citation:
Assignee:
KURITA WATER IND LTD (JP)
International Classes:
G01N31/00; G01N33/18
Foreign References:
| JP2007093399A | 2007-04-12 | |||
| JP2013117038A | 2013-06-13 | |||
| JPH0886782A | 1996-04-02 | |||
| JP2012011287A | 2012-01-19 | |||
| JP2010163661A | 2010-07-29 | |||
| JPS6259752B2 | 1987-12-12 | |||
| US4428872A | 1984-01-31 |
Attorney, Agent or Firm:
WATANABE KAORU (JP)
Kaoru Watanabe (JP)
Kaoru Watanabe (JP)
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