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 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
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 (en) 1985-12-17 1985-12-17 METHOD FOR MEASURING THE CONCENTRATION OF A LOW QUANTITY OF ADDITIVE INCLUDED IN CITY GAS, AND DEVICE FOR CARRYING OUT THIS METHOD

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 (en)
GB (1) GB2184230B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3109633A1 (en) 2020-04-23 2021-10-29 IFP Energies Nouvelles SYSTEM AND METHOD FOR MONITORING GAS LEAKS BY MEANS OF OPTICAL MEASUREMENT

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 (en) * 1980-07-01 1982-02-11 Bayer Ag, 5090 Leverkusen DEVICE FOR THE COLORIMETRIC MEASUREMENT OF GAS TRACKS

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
DE3544644C2 (en) 1988-10-27
GB8530850D0 (en) 1986-01-22
DE3544644A1 (en) 1987-06-19
GB2184230A (en) 1987-06-17

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Legal Events

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

Effective date: 19931214