FR2337881A2 - METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE - Google Patents

METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE

Info

Publication number
FR2337881A2
FR2337881A2 FR7700423A FR7700423A FR2337881A2 FR 2337881 A2 FR2337881 A2 FR 2337881A2 FR 7700423 A FR7700423 A FR 7700423A FR 7700423 A FR7700423 A FR 7700423A FR 2337881 A2 FR2337881 A2 FR 2337881A2
Authority
FR
France
Prior art keywords
detection
gas sample
molecular species
species
molecular
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.)
Granted
Application number
FR7700423A
Other languages
French (fr)
Other versions
FR2337881B2 (en
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.)
Allied Corp
Original Assignee
Allied Chemical and Dye Corp
Allied Chemical Corp
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
Priority claimed from US05/647,388 external-priority patent/US4035643A/en
Application filed by Allied Chemical and Dye Corp, Allied Chemical Corp filed Critical Allied Chemical and Dye Corp
Publication of FR2337881A2 publication Critical patent/FR2337881A2/en
Application granted granted Critical
Publication of FR2337881B2 publication Critical patent/FR2337881B2/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
    • G01J3/12—Generating the spectrum; Monochromators
    • G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7700423A 1976-01-08 1977-01-07 METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE Granted FR2337881A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/647,388 US4035643A (en) 1974-06-11 1976-01-08 Infrared gas analysis

Publications (2)

Publication Number Publication Date
FR2337881A2 true FR2337881A2 (en) 1977-08-05
FR2337881B2 FR2337881B2 (en) 1981-07-31

Family

ID=24596799

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700423A Granted FR2337881A2 (en) 1976-01-08 1977-01-07 METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE

Country Status (5)

Country Link
JP (1) JPS5289978A (en)
CA (1) CA1074148A (en)
DE (1) DE2700422A1 (en)
FR (1) FR2337881A2 (en)
GB (1) GB1570899A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4902896A (en) * 1987-05-08 1990-02-20 Mine Safety Appliances Company Infrared fluid analyzer
DE102004041373B3 (en) * 2004-08-25 2006-02-09 Technische Universität Dresden Producing low-noise test signals for a fast infrared optical sensor for measuring transmission or absorption of light from a thermal light source through a gas, film or liquid comprises using a lock-in amplifier
CN110346292A (en) * 2019-01-04 2019-10-18 内蒙古光能科技有限公司 A kind of adjustable gas-detecting device of optical path

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274914A1 (en) * 1974-06-11 1976-01-09 Allied Chem METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE
FR2292959A1 (en) * 1974-11-26 1976-06-25 Allied Chem APPARATUS AND METHOD FOR SPECTROSCOPIC ANALYSIS OF LUMINOUS RADIATION WITH PERIODIC SPECTRAL COMPONENTS

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2274914A1 (en) * 1974-06-11 1976-01-09 Allied Chem METHOD AND APPARATUS FOR DETECTION OF A MOLECULAR SPECIES IN A GAS SAMPLE
FR2292959A1 (en) * 1974-11-26 1976-06-25 Allied Chem APPARATUS AND METHOD FOR SPECTROSCOPIC ANALYSIS OF LUMINOUS RADIATION WITH PERIODIC SPECTRAL COMPONENTS

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NV736/74 *

Also Published As

Publication number Publication date
GB1570899A (en) 1980-07-09
DE2700422A1 (en) 1977-08-18
CA1074148A (en) 1980-03-25
JPS5289978A (en) 1977-07-28
FR2337881B2 (en) 1981-07-31

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