Title:
RUTHENIUM OXIDE GAS ABSORBING LIQUID, ANALYSIS METHOD AND TRAP DEVICE FOR RUTHENIUM OXIDE, AND QUANTITATIVE ANALYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/256007
Kind Code:
A1
Abstract:
[Problem] To provide an absorbing liquid which is convenient, can be applied to any processing conditions, and can increase the sensitivity of ruthenium oxide quantification. [Solution] This ruthenium oxide gas absorbing liquid is characterized by containing an organic alkaline solution which includes a ligand and/or an onium salt composed of onium ions and anions, at least some of which are hydroxide ions, wherein the concentration of the hydroxide ions falls within the range of 1×10-7 mol/L to 6 mol/L (exclusive of 1×10-7).
Inventors:
SATO TOMOAKI (JP)
KIKKAWA YUKI (JP)
SHIMODA TAKAFUMI (JP)
NEGISHI TAKAYUKI (JP)
MAEDA SHIGENORI (JP)
KIKKAWA YUKI (JP)
SHIMODA TAKAFUMI (JP)
NEGISHI TAKAYUKI (JP)
MAEDA SHIGENORI (JP)
Application Number:
PCT/JP2020/023732
Publication Date:
December 24, 2020
Filing Date:
June 17, 2020
Export Citation:
Assignee:
TOKUYAMA CORP (JP)
International Classes:
G01N1/22; G01N21/73
Domestic Patent References:
| WO2020166677A1 | 2020-08-20 |
Foreign References:
| JPH0972833A | 1997-03-18 | |||
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| JP2000034563A | 2000-02-02 | |||
| JPH0752234B2 | 1995-06-05 | |||
| JP2015514563A | 2015-05-21 | |||
| JP2014048084A | 2014-03-17 | |||
| JP2006520680A | 2006-09-14 | |||
| JPH07287096A | 1995-10-31 | |||
| JP2020087945A | 2020-06-04 | |||
| US6479297B1 | 2002-11-12 | |||
| CN106148725A | 2016-11-23 |
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (JP)
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