FR2020222B1 - - Google Patents

Info

Publication number
FR2020222B1
FR2020222B1 FR696934337A FR6934337A FR2020222B1 FR 2020222 B1 FR2020222 B1 FR 2020222B1 FR 696934337 A FR696934337 A FR 696934337A FR 6934337 A FR6934337 A FR 6934337A FR 2020222 B1 FR2020222 B1 FR 2020222B1
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.)
Expired
Application number
FR696934337A
Other versions
FR2020222A1 (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.)
Imerys Minerals Ltd
Original Assignee
English Clays Lovering Pochin Co Ltd
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 English Clays Lovering Pochin Co Ltd filed Critical English Clays Lovering Pochin Co Ltd
Publication of FR2020222A1 publication Critical patent/FR2020222A1/fr
Application granted granted Critical
Publication of FR2020222B1 publication Critical patent/FR2020222B1/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
    • G01N21/47—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

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)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
FR696934337A 1968-10-09 1969-10-08 Expired FR2020222B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB47946/68A GB1281342A (en) 1968-10-09 1968-10-09 Apparatus for measuring concentration of solids in a fluid

Publications (2)

Publication Number Publication Date
FR2020222A1 FR2020222A1 (fr) 1970-07-10
FR2020222B1 true FR2020222B1 (fr) 1973-05-11

Family

ID=10446809

Family Applications (1)

Application Number Title Priority Date Filing Date
FR696934337A Expired FR2020222B1 (fr) 1968-10-09 1969-10-08

Country Status (4)

Country Link
US (1) US3617757A (fr)
FR (1) FR2020222B1 (fr)
GB (1) GB1281342A (fr)
SE (1) SE363172B (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT969233B (it) * 1972-01-26 1974-03-30 Meier J Procedimento per determinare la tra sparenza ai raggi e o la torbidita di un mezzo apparecchio per l atta zione di detto procedimento ed ap plicazione del detto procedimento
JPS5025577U (fr) * 1973-06-30 1975-03-24
US3861802A (en) * 1973-07-02 1975-01-21 Continental Oil Co An improved turbidimeter lens for reducing the tendency of mixtures of immiscible fluids to form films of the lenses
JPS543396B2 (fr) * 1974-02-05 1979-02-22
US4579253A (en) * 1977-05-17 1986-04-01 Savin Corporation Toner control system
US4611116A (en) * 1984-02-21 1986-09-09 Batt James E Light emitting diode intensity tester
GB2166233B (en) * 1984-10-26 1988-06-02 Stc Plc Liquid quality monitor
US4841157A (en) * 1988-01-06 1989-06-20 Downing Jr John P Optical backscatter turbidimeter sensor
GB9005021D0 (en) 1990-03-06 1990-05-02 Alfa Laval Sharples Ltd Turbidity measurement
ATE556303T1 (de) * 2004-09-15 2012-05-15 Koninkl Philips Electronics Nv Strahlungsmessvorrichtung, strahlungssteuersystem und strahlungsmessverfahren
US7142299B2 (en) * 2004-11-18 2006-11-28 Apprise Technologies, Inc. Turbidity sensor
US11906426B2 (en) * 2018-06-29 2024-02-20 Hach Company Suspended solids measurement of wastewater

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3263553A (en) * 1961-12-12 1966-08-02 Warner Lambert Pharmaceutical Photoelectric immersion probe
US3319514A (en) * 1962-06-13 1967-05-16 Jr Decker G Mcallister Submersible turbidity detector unit
US3177760A (en) * 1963-02-07 1965-04-13 Ex Cell O Corp Apparatus embodying plural light paths for measuring the turbidity of a fluid
US3300646A (en) * 1964-02-06 1967-01-24 Eastman Kodak Co Light integrator using diffuse surface of a light-conducting rod
US3417251A (en) * 1965-10-20 1968-12-17 Navy Usa Towed instrument for continuous measurement of ocean turbidity
US3457407A (en) * 1966-07-27 1969-07-22 Us Navy Apparatus for quantitatively detecting foreign particles present in atmospheric air

Also Published As

Publication number Publication date
DE1951009A1 (de) 1970-04-23
SE363172B (fr) 1974-01-07
FR2020222A1 (fr) 1970-07-10
DE1951009B2 (de) 1976-09-02
US3617757A (en) 1971-11-02
GB1281342A (en) 1972-07-12

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Legal Events

Date Code Title Description
ST Notification of lapse