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FR2856150B1 - DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE - Google Patents

DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE

Info

Publication number
FR2856150B1
FR2856150B1 FR0306956A FR0306956A FR2856150B1 FR 2856150 B1 FR2856150 B1 FR 2856150B1 FR 0306956 A FR0306956 A FR 0306956A FR 0306956 A FR0306956 A FR 0306956A FR 2856150 B1 FR2856150 B1 FR 2856150B1
Authority
FR
France
Prior art keywords
evaluating
concentration
gas phase
chemical species
species
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.)
Expired - Fee Related
Application number
FR0306956A
Other languages
French (fr)
Other versions
FR2856150A1 (en
Inventor
Pierre Joubert
Annick Chaillou
Paola Rivolo
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.)
Universite de Rennes 1
Original Assignee
Universite de Rennes 1
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 Universite de Rennes 1 filed Critical Universite de Rennes 1
Priority to FR0306956A priority Critical patent/FR2856150B1/en
Publication of FR2856150A1 publication Critical patent/FR2856150A1/en
Application granted granted Critical
Publication of FR2856150B1 publication Critical patent/FR2856150B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/7703—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator using reagent-clad optical fibres or optical waveguides
    • G01N2021/7706—Reagent provision
    • G01N2021/7726—Porous glass

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR0306956A 2003-06-10 2003-06-10 DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE Expired - Fee Related FR2856150B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0306956A FR2856150B1 (en) 2003-06-10 2003-06-10 DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0306956A FR2856150B1 (en) 2003-06-10 2003-06-10 DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE

Publications (2)

Publication Number Publication Date
FR2856150A1 FR2856150A1 (en) 2004-12-17
FR2856150B1 true FR2856150B1 (en) 2006-05-05

Family

ID=33484308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0306956A Expired - Fee Related FR2856150B1 (en) 2003-06-10 2003-06-10 DEVICE FOR EVALUATING THE CONCENTRATION OF AT LEAST ONE CHEMICAL SPECIES IN A GAS PHASE

Country Status (1)

Country Link
FR (1) FR2856150B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2915805B1 (en) * 2007-05-04 2010-02-12 Commissariat Energie Atomique PROCESS FOR DETECTION OF HALOGENATED GASEOUS COMPOUNDS
GB2525854B (en) 2014-05-02 2019-08-07 Sensorhut Ltd Sensing methods and apparatus
WO2019175670A1 (en) * 2018-03-13 2019-09-19 Rockley Photonics Limited Porous silicon sensor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834496A (en) * 1987-05-22 1989-05-30 American Telephone And Telegraph Company, At&T Bell Laboratories Optical fiber sensors for chemical detection

Also Published As

Publication number Publication date
FR2856150A1 (en) 2004-12-17

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Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20070228