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FR2320547A1 - Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated - Google Patents

Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated

Info

Publication number
FR2320547A1
FR2320547A1 FR7524537A FR7524537A FR2320547A1 FR 2320547 A1 FR2320547 A1 FR 2320547A1 FR 7524537 A FR7524537 A FR 7524537A FR 7524537 A FR7524537 A FR 7524537A FR 2320547 A1 FR2320547 A1 FR 2320547A1
Authority
FR
France
Prior art keywords
light
medium
heart
fibre optics
agitatated
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.)
Granted
Application number
FR7524537A
Other languages
French (fr)
Other versions
FR2320547B3 (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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7524537A priority Critical patent/FR2320547A1/en
Publication of FR2320547A1 publication Critical patent/FR2320547A1/en
Application granted granted Critical
Publication of FR2320547B3 publication Critical patent/FR2320547B3/fr
Granted 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • G01N21/8507—Probe photometers, i.e. with optical measuring part dipped into fluid sample

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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The method measures the degree of transparency of a part of a liquid medium (12). A light pipe (41) conveys light to the heart of the medium and the light which passes through is received via a mirror (58) and measured by a photocell (56). A second light pipe (42) receives the transmitted light. The liquid medium may be agitated during the measurement by the light pipe supports. Fibre optics may be used as light pipes. The main application is to hematology for determination of blood plasma properties. In conventional systems the transparency of the walls of the sample tube affects the result, but this is avoided by fibre optics.
FR7524537A 1975-08-06 1975-08-06 Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated Granted FR2320547A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7524537A FR2320547A1 (en) 1975-08-06 1975-08-06 Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7524537A FR2320547A1 (en) 1975-08-06 1975-08-06 Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated

Publications (2)

Publication Number Publication Date
FR2320547A1 true FR2320547A1 (en) 1977-03-04
FR2320547B3 FR2320547B3 (en) 1978-03-24

Family

ID=9158834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7524537A Granted FR2320547A1 (en) 1975-08-06 1975-08-06 Optical transparency determination of liquid media - uses fibre optics to convey light to heart of medium which may be agitatated

Country Status (1)

Country Link
FR (1) FR2320547A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240751A (en) * 1978-11-09 1980-12-23 Akzona Incorporated Method and apparatus for specific binding substances
DE3030856A1 (en) * 1979-08-17 1981-03-12 Maxime François Survilliers Hanss DEVICE AND METHOD FOR DETERMINING THE RHEOLOGICAL PROPERTIES OF BIOLOGICAL FLUIDS.
WO1997031260A1 (en) * 1996-02-23 1997-08-28 Varian Australia Pty. Ltd. Spectroscopic analysis of liquid or fluid samples

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4240751A (en) * 1978-11-09 1980-12-23 Akzona Incorporated Method and apparatus for specific binding substances
DE3030856A1 (en) * 1979-08-17 1981-03-12 Maxime François Survilliers Hanss DEVICE AND METHOD FOR DETERMINING THE RHEOLOGICAL PROPERTIES OF BIOLOGICAL FLUIDS.
WO1997031260A1 (en) * 1996-02-23 1997-08-28 Varian Australia Pty. Ltd. Spectroscopic analysis of liquid or fluid samples

Also Published As

Publication number Publication date
FR2320547B3 (en) 1978-03-24

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Legal Events

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