FR2806797B1 - DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR - Google Patents

DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR

Info

Publication number
FR2806797B1
FR2806797B1 FR0003695A FR0003695A FR2806797B1 FR 2806797 B1 FR2806797 B1 FR 2806797B1 FR 0003695 A FR0003695 A FR 0003695A FR 0003695 A FR0003695 A FR 0003695A FR 2806797 B1 FR2806797 B1 FR 2806797B1
Authority
FR
France
Prior art keywords
solute
solvent
clear
liquid medium
optical density
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 - Fee Related
Application number
FR0003695A
Other languages
French (fr)
Other versions
FR2806797A1 (en
Inventor
Michel Guillet
Jean Claude Guignard
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.)
Universite dAngers
Original Assignee
Universite dAngers
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 Universite dAngers filed Critical Universite dAngers
Priority to FR0003695A priority Critical patent/FR2806797B1/en
Publication of FR2806797A1 publication Critical patent/FR2806797A1/en
Application granted granted Critical
Publication of FR2806797B1 publication Critical patent/FR2806797B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01N21/47—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
    • G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
    • 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
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • 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
    • G01N33/02—Food
    • G01N33/14—Beverages
    • G01N33/146—Beverages containing alcohol

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
FR0003695A 2000-03-23 2000-03-23 DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR Expired - Fee Related FR2806797B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0003695A FR2806797B1 (en) 2000-03-23 2000-03-23 DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0003695A FR2806797B1 (en) 2000-03-23 2000-03-23 DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR

Publications (2)

Publication Number Publication Date
FR2806797A1 FR2806797A1 (en) 2001-09-28
FR2806797B1 true FR2806797B1 (en) 2002-09-06

Family

ID=8848410

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0003695A Expired - Fee Related FR2806797B1 (en) 2000-03-23 2000-03-23 DEVICE FOR PERFORMING OPTICAL DENSITY MEASUREMENTS IN A LIQUID MEDIUM COMPRISING A SOLVENT AND A SOLUTE, WHETHER OR NOT CLEAR

Country Status (1)

Country Link
FR (1) FR2806797B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309551A (en) * 1969-05-22 1973-03-14 Nat Res Dev Measurement of optical density
JPS62110135A (en) * 1985-11-08 1987-05-21 Cosmo Co Ltd Method and apparatus for quantifying concentration of asphaltene
US5086001A (en) * 1989-12-01 1992-02-04 Baxter International, Inc. Automated test method for evaluating the physical compatibility of intravenous drugs in solutions
FR2763129B1 (en) * 1997-05-06 1999-07-02 Bertin & Cie OPTICAL FIBER DEVICE FOR AUTOMATIC DETECTION OF FOREIGN SUBSTANCES IN A LIQUID

Also Published As

Publication number Publication date
FR2806797A1 (en) 2001-09-28

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse