Title:
GAS ANALYSIS METHOD AND GAS ANALYSIS DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/059905
Kind Code:
A1
Abstract:
A sample gas flow path 110 allows the upstream side of a concentrator 41 to be in communication with a sample introduction unit 1. A standard gas flow path 130 allows a standard gas supply part 6 to be in communication with the sample gas flow path 110 at a convergence part 121 and allows a standard gas to enter the concentrator 41 from the upstream side thereof. A carrier gas flow path 140 allows the downstream side of the concentrator 41 to be in communication with a carrier gas supply part 5 and allows the carrier gas to enter the concentrator 41 from the downstream side thereof. A mixer 44 mixes the carrier gas supplied from the carrier gas supply part 5 into the standard gas to enter the concentrator 41 via the standard gas flow path 6.
Inventors:
ITABASHI TOSHIHISA (JP)
Application Number:
PCT/JP2020/033247
Publication Date:
April 01, 2021
Filing Date:
September 02, 2020
Export Citation:
Assignee:
SHIMADZU CORP (JP)
International Classes:
G01N30/04; G01N30/00; G01N30/86; G01N30/88
Foreign References:
| JP2000155106A | 2000-06-06 | |||
| JPH09203728A | 1997-08-05 | |||
| US5214952A | 1993-06-01 | |||
| JPH02273525A | 1990-11-08 | |||
| JPH10104130A | 1998-04-24 | |||
| US20120205533A1 | 2012-08-16 | |||
| JP2002168737A | 2002-06-14 |
Attorney, Agent or Firm:
YOSHIMOTO, Tsutomu (JP)
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