FR1200726A - Perfectionnements aux appareils d'analyse des gaz - Google Patents

Perfectionnements aux appareils d'analyse des gaz

Info

Publication number
FR1200726A
FR1200726A FR1200726DA FR1200726A FR 1200726 A FR1200726 A FR 1200726A FR 1200726D A FR1200726D A FR 1200726DA FR 1200726 A FR1200726 A FR 1200726A
Authority
FR
France
Prior art keywords
gas analysis
analysis devices
devices
gas
analysis
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
Application number
Other languages
English (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.)
JAMES L WATERS
Original Assignee
JAMES L WATERS
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 JAMES L WATERS filed Critical JAMES L WATERS
Application granted granted Critical
Publication of FR1200726A publication Critical patent/FR1200726A/fr
Expired 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
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/37—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using pneumatic detection

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material 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 Optical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
FR1200726D 1954-01-12 1957-07-05 Perfectionnements aux appareils d'analyse des gaz Expired FR1200726A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US403525A US2802109A (en) 1954-01-12 1954-01-12 Gas analysis apparatus

Publications (1)

Publication Number Publication Date
FR1200726A true FR1200726A (fr) 1959-12-23

Family

ID=23596104

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1200726D Expired FR1200726A (fr) 1954-01-12 1957-07-05 Perfectionnements aux appareils d'analyse des gaz

Country Status (2)

Country Link
US (1) US2802109A (fr)
FR (1) FR1200726A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2970513A (en) * 1957-03-25 1961-02-07 Mine Safety Appliances Co Apparatus for analysis of materials
US2970512A (en) * 1957-03-25 1961-02-07 Mine Safety Appliances Co Apparatus for analysis of materials
US3067327A (en) * 1957-06-21 1962-12-04 Engelhard Hanovia Inc Measuring device
US3539263A (en) * 1968-02-21 1970-11-10 James L Waters Differential refractometers
US5604298A (en) * 1995-12-07 1997-02-18 In Usa, Inc. Gas measurement system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1893330A (en) * 1928-08-07 1933-01-03 Charles L Jones Permeable metal and method of making the same
US2448315A (en) * 1945-02-14 1948-08-31 Gen Motors Corp Combination restrictor and heat exchanger
US2616668A (en) * 1947-05-30 1952-11-04 Hartford Nat Bank & Trust Co Regenerator
US2648775A (en) * 1949-04-19 1953-08-11 James L Waters Inc Method for the analysis of mixtures
US2673298A (en) * 1949-09-06 1954-03-23 Phillips Petroleum Co Recording infrared gas analyzer
US2668243A (en) * 1949-11-26 1954-02-02 Perkin Elmer Corp Infrared gas analyzer

Also Published As

Publication number Publication date
US2802109A (en) 1957-08-06

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