GB8530850D0 - Measuring minor ingredient of gas - Google Patents

Measuring minor ingredient of gas

Info

Publication number
GB8530850D0
GB8530850D0 GB858530850A GB8530850A GB8530850D0 GB 8530850 D0 GB8530850 D0 GB 8530850D0 GB 858530850 A GB858530850 A GB 858530850A GB 8530850 A GB8530850 A GB 8530850A GB 8530850 D0 GB8530850 D0 GB 8530850D0
Authority
GB
United Kingdom
Prior art keywords
gas
minor ingredient
measuring minor
measuring
ingredient
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
GB858530850A
Other versions
GB2184230A (en
GB2184230B (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.)
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 (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 true GB8530850D0 (en) 1986-01-22
GB2184230A GB2184230A (en) 1987-06-17
GB2184230B 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
FR3109633B1 (en) 2020-04-23 2023-12-29 Ifp Energies Now SYSTEM AND METHOD FOR MONITORING GAS LEAKS BY MEANS OF OPTICAL MEASUREMENT

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1077894B (en) * 1959-03-20 1960-03-17 Dr Hans Fuhrmann Method and device for measuring gas traces
GB1215311A (en) * 1967-11-01 1970-12-09 Howard Grubb Parsons & Company Improvements in and relating to gas and liquid analysers
SE352168B (en) * 1969-11-03 1972-12-18 A Lindberg
DE2114064C3 (en) * 1971-03-23 1974-11-28 Siemens Ag, 1000 Berlin Und 8000 Muenchen Photometer for determining the oxygen content of blood
US3787124A (en) * 1972-09-21 1974-01-22 Baxter Laboratories Inc Dual wavelength photometer for absorbance difference measurements
GB1512002A (en) * 1975-04-22 1978-05-24 British Steel Corp Gas monitors
DE3024847A1 (en) * 1980-07-01 1982-02-11 Bayer Ag, 5090 Leverkusen DEVICE FOR THE COLORIMETRIC MEASUREMENT OF GAS TRACKS

Also Published As

Publication number Publication date
GB2184230A (en) 1987-06-17
DE3544644C2 (en) 1988-10-27
GB2184230B (en) 1989-08-23
DE3544644A1 (en) 1987-06-19

Similar Documents

Publication Publication Date Title
GB8508391D0 (en) Measurement of engineering components
GB2170913B (en) Gas sensor
GB8600544D0 (en) Displaying indications of instructions
GB8602411D0 (en) Measuring shape of objects
GB8624888D0 (en) Measuring component of gaseous mixture
GB2183346B (en) Measurement of thermal conditions
GB8500863D0 (en) Preparation of thiazine derivatives
GB8616745D0 (en) Calibration of instruments
DE3660697D1 (en) Gas sensor
GB8514584D0 (en) Measuring dew-point of gas stream
GB8522820D0 (en) Interferometric measurement
EP0200942A3 (en) New derivatives of an aminoketone
IL80307A0 (en) Preparation of phenylpropanone derivatives
IL80305A0 (en) Preparation of epsilon-butyrolactams
GB8628049D0 (en) Use of tetrahydrobenzothienylurea derivatives
GB8529729D0 (en) Preparation of fish-noodles
HUT40834A (en) Sensor of distance
GB8626866D0 (en) Measuring displacement of elongate elements
IL79438A0 (en) Preparation of 2-cyanoaminopyrimidine derivatives
IL78379A (en) Preparation of 2-mercaptobenzoxazoles
IL80657A0 (en) Preparation of monochloropinacolone
GB8628504D0 (en) Measuring length of electrodes
GB8530850D0 (en) Measuring minor ingredient of gas
GB8511623D0 (en) Heteroanalogs of imidazobenzodiazepines
GB8501039D0 (en) Gas sensor

Legal Events

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

Effective date: 19931214