FR2452097B1 - - Google Patents

Info

Publication number
FR2452097B1
FR2452097B1 FR8006254A FR8006254A FR2452097B1 FR 2452097 B1 FR2452097 B1 FR 2452097B1 FR 8006254 A FR8006254 A FR 8006254A FR 8006254 A FR8006254 A FR 8006254A FR 2452097 B1 FR2452097 B1 FR 2452097B1
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
FR8006254A
Other languages
French (fr)
Other versions
FR2452097A1 (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.)
Tioxide Group Ltd
Original Assignee
Tioxide Group 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 Tioxide Group Ltd filed Critical Tioxide Group Ltd
Publication of FR2452097A1 publication Critical patent/FR2452097A1/fr
Application granted granted Critical
Publication of FR2452097B1 publication Critical patent/FR2452097B1/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
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Cosmetics (AREA)
FR8006254A 1979-03-21 1980-03-20 Procede de mesure de la taille moyenne et de l'ecart type de particules Granted FR2452097A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7909917 1979-03-21

Publications (2)

Publication Number Publication Date
FR2452097A1 FR2452097A1 (fr) 1980-10-17
FR2452097B1 true FR2452097B1 (enExample) 1983-12-23

Family

ID=10504022

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8006254A Granted FR2452097A1 (fr) 1979-03-21 1980-03-20 Procede de mesure de la taille moyenne et de l'ecart type de particules

Country Status (6)

Country Link
US (1) US4279512A (enExample)
JP (1) JPS55128144A (enExample)
DE (1) DE3011021A1 (enExample)
FR (1) FR2452097A1 (enExample)
GB (1) GB2046898B (enExample)
IT (1) IT1128103B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE450528B (sv) * 1981-03-19 1987-06-29 Svenska Traeforskningsinst Forfarande for metning av innehallet av kryll i pappersmassa
US4486535A (en) * 1982-04-07 1984-12-04 Chevron Research Company Method and apparatus for measuring particle size
US4605535A (en) * 1982-04-07 1986-08-12 Chevron Research Company Apparatus for measuring particle size
EP0198670A3 (en) * 1985-04-11 1989-08-23 Nippon Steel Corporation Measurement of sizes of particles in falling state
JPS62175643A (ja) * 1986-01-30 1987-08-01 Shimadzu Corp 粒径測定法及び装置
DE3841701A1 (de) * 1988-12-10 1990-06-13 Battelle Institut E V Verfahren zur in situ-messung von schwefelsaeuretroepfchen in luftgetragenen zustand
DE4118768B4 (de) * 1991-06-07 2004-11-04 Weichert, Reiner, Prof. Dr.-Ing. Verfahren und Vorrichtung zur Bestimmung von Partikelgrößenverteilungen mittels Messung der spektralen Licht-Extinktion während der Sedimentation
US6246474B1 (en) 1998-04-29 2001-06-12 Particle Measuring Systems, Inc. Method and apparatus for measurement of particle size distribution in substantially opaque slurries
US6236460B1 (en) 1999-01-29 2001-05-22 E. I. Du Pont De Nemours And Company Method to determine light scattering efficiency of pigments
RU2189027C1 (ru) * 2000-12-18 2002-09-10 Томский политехнический университет Способ определения размеров дисперсных частиц
US6917424B2 (en) 2001-03-19 2005-07-12 E. I. Du Pont De Nemours And Company Process for manufacturing pigment dispersions
US8154723B2 (en) * 2009-04-03 2012-04-10 Sharp Laboratories Of America, Inc. Method and systems for particle characterization using optical sensor output signal fluctuation
US8828519B2 (en) * 2011-10-05 2014-09-09 Cristal Usa Inc. Infrared-reflective coatings
GB2496897A (en) 2011-11-25 2013-05-29 Colvistec Ag Measurement of colour strength of a diffusely reflective liquid e.g. paint
AU2020369150A1 (en) * 2019-10-21 2021-09-16 Martin Terence Cole Improvements related to particle, including SARS-CoV-2, detection and methods therefor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1921149B2 (de) * 1969-04-25 1971-12-16 Laporte Industries Ltd , London Verfahren zur bestimmung der teilchengroesse in einer poly dispersen suspension hoher konzentrationen
BE788197A (fr) * 1971-08-31 1973-02-28 Eastman Kodak Co Procede et appareil pour determiner le spectre de transmission d'un milieu pratiquement transparent
US4001595A (en) * 1975-04-23 1977-01-04 Aeronutronic Ford Corporation Multiple wavelength transmissometer
US4188121A (en) * 1977-02-01 1980-02-12 Hirleman Edwin D Jr Multiple ratio single particle counter

Also Published As

Publication number Publication date
DE3011021A1 (de) 1980-11-20
DE3011021C2 (enExample) 1989-02-09
IT8048209A0 (it) 1980-03-19
US4279512A (en) 1981-07-21
GB2046898A (en) 1980-11-19
GB2046898B (en) 1983-01-26
IT1128103B (it) 1986-05-28
FR2452097A1 (fr) 1980-10-17
JPS55128144A (en) 1980-10-03

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Legal Events

Date Code Title Description
ST Notification of lapse