FR2245945A1 - Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes - Google Patents

Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes

Info

Publication number
FR2245945A1
FR2245945A1 FR7432670A FR7432670A FR2245945A1 FR 2245945 A1 FR2245945 A1 FR 2245945A1 FR 7432670 A FR7432670 A FR 7432670A FR 7432670 A FR7432670 A FR 7432670A FR 2245945 A1 FR2245945 A1 FR 2245945A1
Authority
FR
France
Prior art keywords
light
solids content
suspended solids
emitting diodes
liquid media
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.)
Withdrawn
Application number
FR7432670A
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.)
WIKSELL HANS SW
Original Assignee
WIKSELL HANS SW
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 WIKSELL HANS SW filed Critical WIKSELL HANS SW
Publication of FR2245945A1 publication Critical patent/FR2245945A1/en
Withdrawn legal-status Critical Current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
    • G01N21/47—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

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 Materials By Optical Means (AREA)

Abstract

The content of particles in suspension in liq. media is determined by measuring photometrically and recording the light intensity of a passing beam of light. The light is produced in the infrared range with a wavelength of 9500 Angstrom and a bandwidth of 200 Angstrom, as a pulsating beam from light-emitting GaAs diodes. This produces a stable light within a fixed range and results in a simple and reliable measurement of the suspended solids content without any chromatic sensitivity.
FR7432670A 1973-09-27 1974-09-27 Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes Withdrawn FR2245945A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7313156A SE382116B (en) 1973-09-27 1973-09-27 SET FOR PHOTOMETRIC SATURATION OF THE SLUDGE CONTENT WHEN CLEANING THE WASTEWATER AND DEVICE FOR PERFORMING THE PROCEDURE

Publications (1)

Publication Number Publication Date
FR2245945A1 true FR2245945A1 (en) 1975-04-25

Family

ID=20318660

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7432670A Withdrawn FR2245945A1 (en) 1973-09-27 1974-09-27 Measuring suspended solids content in liquid media - by infrared pulsating light beam from light-emitting diodes

Country Status (4)

Country Link
JP (1) JPS5062094A (en)
DE (1) DE2445852A1 (en)
FR (1) FR2245945A1 (en)
SE (1) SE382116B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165116A1 (en) * 1984-05-10 1985-12-18 Commissariat A L'energie Atomique System for optical detection from a distance
FR2703459A1 (en) * 1993-01-27 1994-10-07 Rybak Boris Dark turbidimeters

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE390458B (en) * 1975-05-14 1976-12-20 Tellusond Ab PROCEDURE AND DEVICE FOR DETECTING SPECIES IN THE MASS
SE453015B (en) * 1981-11-25 1988-01-04 Bergstrom Per Hakan Sture METHOD DEVICE FOR Saturation of the concentration of particles transported by a liquid through a tube
SE453016B (en) * 1981-11-25 1988-01-04 Bergstrom Per Hakan Sture METHOD FOR SATURING THE CONCENTRATION OF PARTICLES TRANSPORTED BY A FLUID THROUGH A PIPE
SE502148C2 (en) * 1993-12-03 1995-08-28 Bexelius Apparatus for measuring the amount of solid in a fluid with light
DE19726518B4 (en) * 1997-06-23 2004-02-05 Suhr, Hajo, Prof. Dr. In situ microscope probe for particle measurement technology

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0165116A1 (en) * 1984-05-10 1985-12-18 Commissariat A L'energie Atomique System for optical detection from a distance
FR2703459A1 (en) * 1993-01-27 1994-10-07 Rybak Boris Dark turbidimeters

Also Published As

Publication number Publication date
JPS5062094A (en) 1975-05-27
DE2445852A1 (en) 1975-04-10
SE382116B (en) 1976-01-12
SE7313156L (en) 1975-04-01

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Legal Events

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