Title:
METHOD FOR QUANTIFYING UREA AND ANALYZING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/186104
Kind Code:
A1
Abstract:
Provided is a method for quantifying urea in a sample solution with a colorimetric method using diacetylmonoxime, wherein a reagent formulated for use in reaction is refrigerated, and the refrigerated reagent is used to quantify urea. In particular, an antipyrine-containing reagent solution is maintained at, for example, 20oC or lower after being formulated and until the solution is used to quantify the urea.
More Like This:
Inventors:
TAKAHASHI KAZUSHIGE (JP)
SUGAWARA HIROSHI (JP)
SUDO FUMIO (JP)
SHIMADA KATSUHISA (JP)
SUGAWARA HIROSHI (JP)
SUDO FUMIO (JP)
SHIMADA KATSUHISA (JP)
Application Number:
PCT/JP2018/009051
Publication Date:
October 11, 2018
Filing Date:
March 08, 2018
Export Citation:
Assignee:
ORGANO CORP (JP)
International Classes:
G01N33/18; G01N31/00; G01N31/22
Domestic Patent References:
| WO2016132798A1 | 2016-08-25 |
Foreign References:
| JP2000338099A | 2000-12-08 | |||
| JP3080458U | 2001-09-28 | |||
| JPH06324050A | 1994-11-25 | |||
| JPH11118783A | 1999-04-30 | |||
| JP2000028533A | 2000-01-28 | |||
| JP2004003880A | 2004-01-08 | |||
| JP2005298632A | 2005-10-27 | |||
| JPH08192154A | 1996-07-30 | |||
| US8969093B1 | 2015-03-03 | |||
| CN101320001A | 2008-12-10 |
Other References:
"Hygiene test method Annotation (1990), Appendix (1995", PHARMACEUTICAL SOCIETY OF JAPAN, vol. 4.1.2.3, no. 13, 1995, pages 1028
SHIMADA, KATSUHISA: "High sensitivity analysis of urea in ultrapure water by flow injection method", ABSTRACTS OF ANALYTICAL CHEMISTRY DISCUSSION LECTURE, vol. 73, 4 May 2013 (2013-05-04), pages 214
SHIMADA, KATSUHISA: "Urea analysis in water by flow injection spectrophotometry method", ABSTRACTS OF THE MEETING OF JAPAN ASSOCIATION FOR FLOW INJECTION ANALYSIS, vol. 49, 2 December 2011 (2011-12-02), pages 54, 55
LI, H. H.: "Determination of urea in swimming pool water by continuous flow injection analysis", J ENVIRON HEALTH, vol. 24, no. 3, March 2007 (2007-03-01), pages 176, 177
SHIMADA, KATSUHISA: "High sensitivity analysis of urea in ultrapure water by flow injection method", ABSTRACTS OF ANALYTICAL CHEMISTRY DISCUSSION LECTURE, vol. 73, 4 May 2013 (2013-05-04), pages 214
SHIMADA, KATSUHISA: "Urea analysis in water by flow injection spectrophotometry method", ABSTRACTS OF THE MEETING OF JAPAN ASSOCIATION FOR FLOW INJECTION ANALYSIS, vol. 49, 2 December 2011 (2011-12-02), pages 54, 55
LI, H. H.: "Determination of urea in swimming pool water by continuous flow injection analysis", J ENVIRON HEALTH, vol. 24, no. 3, March 2007 (2007-03-01), pages 176, 177
Attorney, Agent or Firm:
MIYAZAKI Teruo et al. (JP)
Download PDF:
Previous Patent: LENS UNIT
Next Patent: REFRIGERANT LEAKAGE DETECTION DEVICE, AND REFRIGERATION CYCLE DEVICE
Next Patent: REFRIGERANT LEAKAGE DETECTION DEVICE, AND REFRIGERATION CYCLE DEVICE