GB2184230B - Method of measuring minor ingredient of gas and apparatus therefor - Google Patents

Method of measuring minor ingredient of gas and apparatus therefor

Info

Publication number
GB2184230B
GB2184230B GB8530850A GB8530850A GB2184230B GB 2184230 B GB2184230 B GB 2184230B GB 8530850 A GB8530850 A GB 8530850A GB 8530850 A GB8530850 A GB 8530850A GB 2184230 B GB2184230 B GB 2184230B
Authority
GB
United Kingdom
Prior art keywords
gas
apparatus therefor
minor ingredient
measuring minor
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
GB8530850A
Other languages
English (en)
Other versions
GB8530850D0 (en
GB2184230A (en
Inventor
Daijiro Terasaki
Koukichi Odasima
Takashi Ito
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.)
Tokyo Gas Co Ltd
Hitachi High Tech Corp
Original Assignee
Tokyo Gas Co Ltd
Nissei Sangyo Co Ltd
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 Tokyo Gas Co Ltd, Nissei Sangyo Co Ltd filed Critical Tokyo Gas Co Ltd
Publication of GB8530850D0 publication Critical patent/GB8530850D0/en
Publication of GB2184230A publication Critical patent/GB2184230A/en
Application granted granted Critical
Publication of GB2184230B publication Critical patent/GB2184230B/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
    • 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
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/22—Fuels; Explosives
    • G01N33/225—Gaseous fuels, e.g. natural gas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
GB8530850A 1985-12-17 1985-12-14 Method of measuring minor ingredient of gas and apparatus therefor Expired GB2184230B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19853544644 DE3544644A1 (de) 1985-12-17 1985-12-17 Verfahren zur messung der konzentration eines in geringer menge in stadtgas enthaltenen zusatzstoffes und vorrichtung zur durchfuehrung dieses verfahren

Publications (3)

Publication Number Publication Date
GB8530850D0 GB8530850D0 (en) 1986-01-22
GB2184230A GB2184230A (en) 1987-06-17
GB2184230B true GB2184230B (en) 1989-08-23

Family

ID=6288674

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8530850A Expired GB2184230B (en) 1985-12-17 1985-12-14 Method of measuring minor ingredient of gas and apparatus therefor

Country Status (2)

Country Link
DE (1) DE3544644A1 (enrdf_load_stackoverflow)
GB (1) GB2184230B (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3109633B1 (fr) 2020-04-23 2023-12-29 Ifp Energies Now Systeme et procede pour la surveillance de fuites de gaz au moyen d'une mesure optique

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB945146A (en) * 1959-03-20 1963-12-23 Kurt Ladendorf A method of and apparatus for estimating a trace gas in a carrier gas
GB1215311A (en) * 1967-11-01 1970-12-09 Howard Grubb Parsons & Company Improvements in and relating to gas and liquid analysers
GB1320966A (en) * 1969-11-03 1973-06-20 Lindberg A R Method of and apparatus for determining colourimetric concentrations
GB1376246A (en) * 1971-03-23 1974-12-04 Siemens Ag Determining the oxygen content of blood
GB1426005A (en) * 1972-09-21 1976-02-25 Baxter Laboratories Inc Dual wavelength photometer for absorbance difference measurements
GB1512002A (en) * 1975-04-22 1978-05-24 British Steel Corp Gas monitors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3024847A1 (de) * 1980-07-01 1982-02-11 Bayer Ag, 5090 Leverkusen Vorrichtung zur kolorimetrischen messung von gasspuren

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB945146A (en) * 1959-03-20 1963-12-23 Kurt Ladendorf A method of and apparatus for estimating a trace gas in a carrier gas
GB1215311A (en) * 1967-11-01 1970-12-09 Howard Grubb Parsons & Company Improvements in and relating to gas and liquid analysers
GB1320966A (en) * 1969-11-03 1973-06-20 Lindberg A R Method of and apparatus for determining colourimetric concentrations
GB1376246A (en) * 1971-03-23 1974-12-04 Siemens Ag Determining the oxygen content of blood
GB1426005A (en) * 1972-09-21 1976-02-25 Baxter Laboratories Inc Dual wavelength photometer for absorbance difference measurements
GB1512002A (en) * 1975-04-22 1978-05-24 British Steel Corp Gas monitors

Also Published As

Publication number Publication date
DE3544644A1 (de) 1987-06-19
GB8530850D0 (en) 1986-01-22
GB2184230A (en) 1987-06-17
DE3544644C2 (enrdf_load_stackoverflow) 1988-10-27

Similar Documents

Publication Publication Date Title
EP0197341A3 (en) Method of and apparatus for measuring coordinates
EP0206633A3 (en) Method of inspecting masks and apparatus thereof
EP0219077A3 (en) Method of and apparatus for making bread
GB2179734B (en) Foot measuring apparatus and method
EP0222387A3 (en) Method for making of design reference and apparatus therefor
EP0188265A3 (en) Method of and apparatus for dipsensing liquid
GB2183320B (en) Method and device for compression of gases
DE3666317D1 (en) Jitter measurement method and apparatus
EP0260005A3 (en) Gas calibration method and apparatus
HUT41890A (en) Method and apparatus for moisture freeing of gaseous medium
GB2180644B (en) Interferometric measurement method and apparatus
GB2177586B (en) Method of and apparatus for cooling bread
GB2221541B (en) Method and apparatus for measurement of dewpoint of gases
GB2176900B (en) An apparatus for and a method of measuring the activity of a constituent of a medium
GB2184230B (en) Method of measuring minor ingredient of gas and apparatus therefor
GB2175006B (en) Method and apparatus of brewing
GB2181252B (en) Method and apparatus for measuring temperature of ultra small areas
PL253293A1 (en) Method of and apparatus for detecting metallic objects
GB2194639B (en) Gas calibration method and apparatus
GB2175326B (en) Method and apparatus for manufacture of constructional elements
PH22427A (en) Eburnamenine derivatives and method of use thereof
PL256731A2 (en) Method of and apparatus for obtaining asphalt
HU885901D0 (en) Equipment and method for measuring parameters of fluids
PL257234A2 (en) Method of manufacture of gas for cryotherapy and apparatus therefor
PL251631A1 (en) Method of obtaining solders and apparatus therefor

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19931214