GB1308428A - Gas composition analysis - Google Patents

Gas composition analysis

Info

Publication number
GB1308428A
GB1308428A GB2059171A GB2059171A GB1308428A GB 1308428 A GB1308428 A GB 1308428A GB 2059171 A GB2059171 A GB 2059171A GB 2059171 A GB2059171 A GB 2059171A GB 1308428 A GB1308428 A GB 1308428A
Authority
GB
United Kingdom
Prior art keywords
true
correction
correction circuit
measured
gases
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
GB2059171A
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.)
Centre de Recherches Metallurgiques CRM ASBL
Original Assignee
Centre de Recherches Metallurgiques CRM ASBL
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 Centre de Recherches Metallurgiques CRM ASBL filed Critical Centre de Recherches Metallurgiques CRM ASBL
Publication of GB1308428A publication Critical patent/GB1308428A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • 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
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
    • G01N21/274—Calibration, base line adjustment, drift correction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/75—Analogue computers for specific processes, systems or devices, e.g. simulators for component analysis, e.g. of mixtures, of colours

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB2059171A 1970-01-28 1971-04-19 Gas composition analysis Expired GB1308428A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE745109 1970-01-28

Publications (1)

Publication Number Publication Date
GB1308428A true GB1308428A (en) 1973-02-21

Family

ID=3855979

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2059171A Expired GB1308428A (en) 1970-01-28 1971-04-19 Gas composition analysis

Country Status (6)

Country Link
US (1) US3727450A (enExample)
BE (1) BE745109R (enExample)
FR (1) FR2083052A6 (enExample)
GB (1) GB1308428A (enExample)
IT (1) IT990499B (enExample)
LU (1) LU62495A1 (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4130481A (en) * 1977-02-14 1978-12-19 Fmc Corporation Maintaining optimum settling rate of activated sludge
GB9316280D0 (en) * 1993-08-05 1993-09-22 Capteur Sensors & Analysers Gas sensors
CH686055A5 (de) * 1993-10-14 1995-12-15 Apv Schweiz Ag Verfahren zur Durchfuhrung eines automatischen, periodischen Nullpunktabgleichs.
DE60045056D1 (de) * 1999-02-03 2010-11-18 Denso Corp Vorrichtung zur Gaskonzentrationsmessung mit Fehlerkompensation des Ausgangssignals
US6422056B1 (en) * 1999-02-05 2002-07-23 Horiba, Ltd. Method for correcting the effect of a effect of a coexistent gas in a gas analysis and a gas analyzing apparatus using same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734376A (en) * 1956-02-14 Compensated gas-analyisis bridges
US2949765A (en) * 1957-05-14 1960-08-23 Beckman Instruments Inc Measuring circuit for fluid analyzers
FR1375183A (fr) * 1963-08-28 1964-10-16 Siderurgie Fse Inst Rech Perfectionnements aux procédés de contrôle de processus industriels par analyse continue d'un mélange gazeux de composition variable
DE1673308C3 (de) * 1966-04-21 1978-10-12 Joachim Dr.-Ing. 7251 Warmbronn Wuenning Verfahren und Vorrichtung zur Bestimmung des Kohlenstoffpotentials von Ofenatmosphären bei Glühöfen
US3432288A (en) * 1966-06-29 1969-03-11 Allegheny Ludlum Steel Process control of top-blown oxygen converter

Also Published As

Publication number Publication date
LU62495A1 (enExample) 1971-08-11
BE745109R (fr) 1970-07-28
FR2083052A6 (enExample) 1971-12-10
IT990499B (it) 1975-06-20
US3727450A (en) 1973-04-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee