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FR2453405B1 - Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu - Google Patents

Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu

Info

Publication number
FR2453405B1
FR2453405B1 FR7909247A FR7909247A FR2453405B1 FR 2453405 B1 FR2453405 B1 FR 2453405B1 FR 7909247 A FR7909247 A FR 7909247A FR 7909247 A FR7909247 A FR 7909247A FR 2453405 B1 FR2453405 B1 FR 2453405B1
Authority
FR
France
Prior art keywords
photometrical
opacity
transparency
study
medium
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
FR7909247A
Other languages
English (en)
Other versions
FR2453405A1 (fr
Inventor
Bernard Marais
Gerard Leroy
Yves Moschetto
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.)
Institut National de la Sante et de la Recherche Medicale INSERM
Original Assignee
Institut National de la Sante et de la Recherche Medicale INSERM
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 Institut National de la Sante et de la Recherche Medicale INSERM filed Critical Institut National de la Sante et de la Recherche Medicale INSERM
Priority to FR7909247A priority Critical patent/FR2453405B1/fr
Publication of FR2453405A1 publication Critical patent/FR2453405A1/fr
Application granted granted Critical
Publication of FR2453405B1 publication Critical patent/FR2453405B1/fr
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
    • G01N21/17—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
    • G01N21/251—Colorimeters; Construction thereof
    • G01N21/253—Colorimeters; Construction thereof for batch operation, i.e. multisample apparatus
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2201/00—Features of devices classified in G01N21/00
    • G01N2201/12—Circuits of general importance; Signal processing
    • G01N2201/124—Sensitivity
    • G01N2201/1245—Averaging several measurements

Landscapes

  • Physics & Mathematics (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)
  • Automatic Analysis And Handling Materials Therefor (AREA)
  • Optical Measuring Cells (AREA)
FR7909247A 1979-04-06 1979-04-06 Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu Expired FR2453405B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7909247A FR2453405B1 (fr) 1979-04-06 1979-04-06 Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7909247A FR2453405B1 (fr) 1979-04-06 1979-04-06 Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu

Publications (2)

Publication Number Publication Date
FR2453405A1 FR2453405A1 (fr) 1980-10-31
FR2453405B1 true FR2453405B1 (fr) 1982-08-06

Family

ID=9224242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7909247A Expired FR2453405B1 (fr) 1979-04-06 1979-04-06 Procede et appareil d'etude photometrique de la transparence ou de l'opacite d'un milieu

Country Status (1)

Country Link
FR (1) FR2453405B1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64862C (fi) * 1982-02-05 1984-01-10 Kone Oy Foerfarande foer fotometrisk maetning av vaetskor i reaktionskaerl och reaktionskaerl
EP1027148B1 (fr) 1997-11-08 2002-01-09 Chemspeed Ltd. Dispositif pour la fixation de recipients reactionnels comportant des moyens thermostatiques et d'agitation
FR3003351B1 (fr) * 2013-03-12 2015-03-13 Formulaction Appareil d'analyse de phases de melanges polyphasiques
US10330596B1 (en) 2018-03-27 2019-06-25 King Saud University Apparatus and method for testing the ability of materials to protect photolabile materials

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1138862A (fr) * 1955-10-27 1957-06-20 Appareil enregistreur de la courbe de sédimentation sanguine
NL261947A (fr) * 1960-03-21
US3544225A (en) * 1967-12-13 1970-12-01 Berkeley Scient Lab Inc Peak reading optical density measuring system
DE2418065C3 (de) * 1974-04-13 1981-11-05 Hellige Gmbh, 7800 Freiburg Gerät zur selbsttätigen bestimmung der Blutsenkung nach Ablauf vorgegebener Zeiten
US4004883A (en) * 1975-07-11 1977-01-25 G. D. Searle & Co. Sensing, leveling and mixing apparatus
GB1545538A (en) * 1975-11-17 1979-05-10 Gradient Pty Ltd Method and apparatus for simultaneously recording reaction times
US4118801A (en) * 1976-11-05 1978-10-03 Kraft Jack A Rack for vessels and means for agitating the vessels in the rack

Also Published As

Publication number Publication date
FR2453405A1 (fr) 1980-10-31

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Legal Events

Date Code Title Description
ST Notification of lapse