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CH565997A5 - - Google Patents

Info

Publication number
CH565997A5
CH565997A5 CH905973A CH905973A CH565997A5 CH 565997 A5 CH565997 A5 CH 565997A5 CH 905973 A CH905973 A CH 905973A CH 905973 A CH905973 A CH 905973A CH 565997 A5 CH565997 A5 CH 565997A5
Authority
CH
Switzerland
Application number
CH905973A
Original Assignee
Bayer Ag
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 DE19722230731 external-priority patent/DE2230731C3/de
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH565997A5 publication Critical patent/CH565997A5/xx

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
    • G01N21/17—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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Theoretical Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
CH905973A 1972-06-23 1973-06-21 CH565997A5 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722230731 DE2230731C3 (de) 1972-06-23 Selbstabgleichendes Betriebsphotometer

Publications (1)

Publication Number Publication Date
CH565997A5 true CH565997A5 (xx) 1975-08-29

Family

ID=5848569

Family Applications (1)

Application Number Title Priority Date Filing Date
CH905973A CH565997A5 (xx) 1972-06-23 1973-06-21

Country Status (6)

Country Link
US (1) US3932040A (xx)
JP (1) JPS4965264A (xx)
CH (1) CH565997A5 (xx)
FR (1) FR2189723B1 (xx)
GB (1) GB1423460A (xx)
IT (1) IT989347B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1006007A (en) * 1974-08-01 1977-03-01 Majesty (Her) In Right Of Canada As Represented By Atomic Energy Of Canada Limited Vapour concentration monitor using a modulated beam
FI52255C (fi) * 1975-10-30 1977-07-11 Innotec Oy Infrapuna-analysaattori.
US4583859A (en) * 1984-03-30 1986-04-22 The Babcock & Wilcox Company Filter cleaning system for opacity monitor
US4692621A (en) * 1985-10-11 1987-09-08 Andros Anlayzers Incorporated Digital anesthetic agent analyzer
JPS6378053A (ja) * 1986-09-20 1988-04-08 Horiba Ltd ガス分析計
DE3633931A1 (de) * 1986-10-04 1988-04-07 Kernforschungsz Karlsruhe Verfahren und einrichtung zur kontinuierlichen messung der konzentration eines gasbestandteiles
US5009794A (en) * 1989-05-16 1991-04-23 Wedgewood Technology, Inc. System and method for controlling butterfat content in standardized milk product
DE19746862A1 (de) * 1997-10-23 1999-04-29 Huels Chemische Werke Ag Vorrichtung und Verfahren für Probenahme und IR-spektroskopische Analyse von hochreinen, hygroskopischen Flüssigkeiten
CN109444064A (zh) * 2018-12-25 2019-03-08 青岛海纳光电环保有限公司 标准气体检测装置和系统

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3622795A (en) * 1968-10-10 1971-11-23 Coulter Electronics Colorimetric fluid test apparatus having plural fluid sequential control

Also Published As

Publication number Publication date
DE2230731B2 (de) 1976-12-09
FR2189723B1 (xx) 1977-02-18
IT989347B (it) 1975-05-20
GB1423460A (en) 1976-02-04
US3932040A (en) 1976-01-13
DE2230731A1 (de) 1974-01-10
FR2189723A1 (xx) 1974-01-25
JPS4965264A (xx) 1974-06-25

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Legal Events

Date Code Title Description
PL Patent ceased
PL Patent ceased