FR2148457A1 - - Google Patents

Info

Publication number
FR2148457A1
FR2148457A1 FR7227990A FR7227990A FR2148457A1 FR 2148457 A1 FR2148457 A1 FR 2148457A1 FR 7227990 A FR7227990 A FR 7227990A FR 7227990 A FR7227990 A FR 7227990A FR 2148457 A1 FR2148457 A1 FR 2148457A1
Authority
FR
France
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.)
Withdrawn
Application number
FR7227990A
Other languages
French (fr)
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.)
Metrawatt GmbH
Original Assignee
Metrawatt GmbH
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 Metrawatt GmbH filed Critical Metrawatt GmbH
Publication of FR2148457A1 publication Critical patent/FR2148457A1/fr
Withdrawn legal-status Critical Current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
    • G01N21/17—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
    • G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
    • 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
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission

Landscapes

  • Physics & Mathematics (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)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR7227990A 1971-08-06 1972-08-03 Withdrawn FR2148457A1 (cs)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712139427 DE2139427A1 (de) 1971-08-06 1971-08-06 Vorrichtung zur fotometrischen messung

Publications (1)

Publication Number Publication Date
FR2148457A1 true FR2148457A1 (cs) 1973-03-23

Family

ID=5815992

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7227990A Withdrawn FR2148457A1 (cs) 1971-08-06 1972-08-03

Country Status (4)

Country Link
CH (1) CH542438A (cs)
DE (1) DE2139427A1 (cs)
FR (1) FR2148457A1 (cs)
NL (1) NL7209546A (cs)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297414A1 (fr) * 1975-01-09 1976-08-06 Inst Nat Sante Rech Med Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres
FR2539508A1 (fr) * 1983-01-14 1984-07-20 Jerusalem College Tech Appareil pour mesurer l'indice de refraction de fluides
WO1985001579A1 (en) * 1983-10-05 1985-04-11 University Of Surrey Water test kit and components therefor

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4199260A (en) * 1978-08-21 1980-04-22 Technicon Instruments Corporation Apparatus and method for determining the concentration in a sample

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2297414A1 (fr) * 1975-01-09 1976-08-06 Inst Nat Sante Rech Med Perfectionnements aux appareils de mesure d'absorption du rayonnement notamment des photometres
FR2539508A1 (fr) * 1983-01-14 1984-07-20 Jerusalem College Tech Appareil pour mesurer l'indice de refraction de fluides
WO1985001579A1 (en) * 1983-10-05 1985-04-11 University Of Surrey Water test kit and components therefor

Also Published As

Publication number Publication date
CH542438A (de) 1973-09-30
DE2139427A1 (de) 1973-02-15
NL7209546A (cs) 1973-02-08

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Legal Events

Date Code Title Description
ST Notification of lapse