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EP1200813A4 - Method and apparatus for determining diffusible hydrogen concentrations - Google Patents

Method and apparatus for determining diffusible hydrogen concentrations

Info

Publication number
EP1200813A4
EP1200813A4 EP00939680A EP00939680A EP1200813A4 EP 1200813 A4 EP1200813 A4 EP 1200813A4 EP 00939680 A EP00939680 A EP 00939680A EP 00939680 A EP00939680 A EP 00939680A EP 1200813 A4 EP1200813 A4 EP 1200813A4
Authority
EP
European Patent Office
Prior art keywords
determining
diffusible hydrogen
hydrogen concentrations
concentrations
diffusible
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP00939680A
Other languages
German (de)
French (fr)
Other versions
EP1200813A1 (en
Inventor
David K Benson
Thomas R Wildeman
R Davis Smith
David L Olson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midwest Research Institute
Original Assignee
Midwest Research Institute
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midwest Research Institute filed Critical Midwest Research Institute
Publication of EP1200813A1 publication Critical patent/EP1200813A1/en
Publication of EP1200813A4 publication Critical patent/EP1200813A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/20—Metals
    • G01N33/202—Constituents thereof
    • G01N33/2022—Non-metallic constituents
    • G01N33/2025—Gaseous constituents

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
EP00939680A 1999-06-08 2000-06-08 Method and apparatus for determining diffusible hydrogen concentrations Withdrawn EP1200813A4 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13814499P 1999-06-08 1999-06-08
US138144P 1999-06-08
PCT/US2000/015752 WO2000075634A1 (en) 1999-06-08 2000-06-08 Method and apparatus for determining diffusible hydrogen concentrations

Publications (2)

Publication Number Publication Date
EP1200813A1 EP1200813A1 (en) 2002-05-02
EP1200813A4 true EP1200813A4 (en) 2003-01-08

Family

ID=22480635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00939680A Withdrawn EP1200813A4 (en) 1999-06-08 2000-06-08 Method and apparatus for determining diffusible hydrogen concentrations

Country Status (4)

Country Link
EP (1) EP1200813A4 (en)
AU (1) AU762019B2 (en)
NO (1) NO20015999L (en)
WO (1) WO2000075634A1 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006054165B3 (en) * 2006-11-16 2008-04-17 Tyco Electronics Raychem Gmbh Optical sensor i.e. hydrogen sensor, arrangement for detecting hydrogen in gaseous measuring medium, has transducer designed such that physical characteristic is changed in response to presence and/or concentration of analyte
WO2009067671A1 (en) * 2007-11-21 2009-05-28 Schlumberger Technology Corporation Optical fiber hydrogen detection system and method
US8547553B2 (en) * 2010-03-17 2013-10-01 General Electric Company Fiber optic hydrogen purity sensor and system
ITPI20120109A1 (en) * 2012-10-25 2014-04-26 Letomec S R L DEVICE AND METHOD FOR HYDROGEN PERMEATION MEASUREMENTS
CN105675612A (en) * 2016-04-25 2016-06-15 天津大桥焊材集团有限公司 Analysis device and analysis method for diffusible hydrogen
US11344964B2 (en) 2017-06-09 2022-05-31 Illinois Tool Works Inc. Systems, methods, and apparatus to control welding electrode preheating
WO2018227186A1 (en) * 2017-06-09 2018-12-13 Illinois Tool Works Inc. Methods and systems to heat a wire for reducing the hydrogen content
US11524354B2 (en) 2017-06-09 2022-12-13 Illinois Tool Works Inc. Systems, methods, and apparatus to control weld current in a preheating system
JP6611140B1 (en) * 2018-07-12 2019-11-27 株式会社ピュアロンジャパン Dissolved gas measuring device
DE102021127227A1 (en) 2021-10-20 2023-04-20 Endress+Hauser Conducta Gmbh+Co. Kg Sensor for measuring a pH value

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661320A (en) * 1983-08-12 1987-04-28 Hochiki Corporation Gas sensor
US5279169A (en) * 1991-01-28 1994-01-18 Freeman H Bruce Hydrogen monitoring apparatus
GB2312279A (en) * 1996-04-18 1997-10-22 Ion Science Ltd Hydrogen detecting system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4050895A (en) * 1975-09-26 1977-09-27 Monsanto Research Corporation Optical analytical device, waveguide and method
DE2727252C3 (en) * 1976-06-19 1981-07-16 Japan Analyst Corp., Tokyo Method for the device for measuring the hydrogen contained in a metal sample
EP0061884A1 (en) * 1981-03-30 1982-10-06 Imperial Chemical Industries Plc Optical fibre sensor
US5153931A (en) * 1991-04-01 1992-10-06 Buchanan Bruce R Fiber optic hydrogen sensor
US5302350A (en) * 1993-01-26 1994-04-12 Fci - Fiberchem, Inc. Specific and reversible carbon monoxide sensor
US5466605A (en) * 1993-03-15 1995-11-14 Arizona Board Of Regents Method for detection of chemical components
US5436167A (en) * 1993-04-13 1995-07-25 Board Of Regents, University Of Texas System Fiber optics gas sensor
US5462880A (en) * 1993-09-13 1995-10-31 Optical Sensors Incorporated Ratiometric fluorescence method to measure oxygen
US5783152A (en) * 1997-03-24 1998-07-21 The United States Of America As Represented By The United States Department Of Energy Thin-film fiber optic hydrogen and temperature sensor system
US6096560A (en) * 1998-11-24 2000-08-01 Quantum Group, Inc. Method and apparatus for determining the concentration of a target gas using an optical gas sensor system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4661320A (en) * 1983-08-12 1987-04-28 Hochiki Corporation Gas sensor
US5279169A (en) * 1991-01-28 1994-01-18 Freeman H Bruce Hydrogen monitoring apparatus
GB2312279A (en) * 1996-04-18 1997-10-22 Ion Science Ltd Hydrogen detecting system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO0075634A1 *

Also Published As

Publication number Publication date
WO2000075634A1 (en) 2000-12-14
NO20015999D0 (en) 2001-12-07
AU762019B2 (en) 2003-06-19
EP1200813A1 (en) 2002-05-02
NO20015999L (en) 2002-02-08
AU5473200A (en) 2000-12-28

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