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FR1251609A - Method and device for measuring traces of gas - Google Patents

Method and device for measuring traces of gas

Info

Publication number
FR1251609A
FR1251609A FR821463A FR821463A FR1251609A FR 1251609 A FR1251609 A FR 1251609A FR 821463 A FR821463 A FR 821463A FR 821463 A FR821463 A FR 821463A FR 1251609 A FR1251609 A FR 1251609A
Authority
FR
France
Prior art keywords
gas
measuring traces
traces
measuring
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
FR821463A
Other languages
French (fr)
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.)
BRAN and LUEBBE
Original Assignee
BRAN and LUEBBE
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 DEF27997A external-priority patent/DE1077894B/en
Application filed by BRAN and LUEBBE filed Critical BRAN and LUEBBE
Priority to FR821463A priority Critical patent/FR1251609A/en
Application granted granted Critical
Publication of FR1251609A publication Critical patent/FR1251609A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/4162—Systems investigating the composition of gases, by the influence exerted on ionic conductivity in a liquid
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Plasma & Fusion (AREA)
  • Engineering & Computer Science (AREA)
  • Molecular Biology (AREA)
  • Electrochemistry (AREA)
FR821463A 1959-03-20 1960-03-16 Method and device for measuring traces of gas Expired FR1251609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR821463A FR1251609A (en) 1959-03-20 1960-03-16 Method and device for measuring traces of gas

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEF27997A DE1077894B (en) 1959-03-20 1959-03-20 Method and device for measuring gas traces
FR821463A FR1251609A (en) 1959-03-20 1960-03-16 Method and device for measuring traces of gas

Publications (1)

Publication Number Publication Date
FR1251609A true FR1251609A (en) 1961-01-20

Family

ID=25974252

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821463A Expired FR1251609A (en) 1959-03-20 1960-03-16 Method and device for measuring traces of gas

Country Status (1)

Country Link
FR (1) FR1251609A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298312B (en) * 1963-05-31 1969-06-26 Nippon Oxygen Co Ltd Method for displaying the concentration of traces of oxygen in a gas mixture
EP0012945A1 (en) * 1978-12-28 1980-07-09 Siemens Aktiengesellschaft Process for measuring the emission of gaseous inorganic fluorinated or chlorinated compounds
FR2636139A1 (en) * 1988-08-02 1990-03-09 Sp K Tekhn DEVICE FOR DETERMINING THE AIR CONTENT OF CYANHYDRIC ACID VAPORS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298312B (en) * 1963-05-31 1969-06-26 Nippon Oxygen Co Ltd Method for displaying the concentration of traces of oxygen in a gas mixture
EP0012945A1 (en) * 1978-12-28 1980-07-09 Siemens Aktiengesellschaft Process for measuring the emission of gaseous inorganic fluorinated or chlorinated compounds
FR2636139A1 (en) * 1988-08-02 1990-03-09 Sp K Tekhn DEVICE FOR DETERMINING THE AIR CONTENT OF CYANHYDRIC ACID VAPORS

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