FR2452097A1 - Procede de mesure de la taille moyenne et de l'ecart type de particules - Google Patents
Procede de mesure de la taille moyenne et de l'ecart type de particulesInfo
- Publication number
- FR2452097A1 FR2452097A1 FR8006254A FR8006254A FR2452097A1 FR 2452097 A1 FR2452097 A1 FR 2452097A1 FR 8006254 A FR8006254 A FR 8006254A FR 8006254 A FR8006254 A FR 8006254A FR 2452097 A1 FR2452097 A1 FR 2452097A1
- Authority
- FR
- France
- Prior art keywords
- measuring
- particles
- standard deviation
- wavelength
- compared
- 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
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7909917 | 1979-03-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2452097A1 true FR2452097A1 (fr) | 1980-10-17 |
| FR2452097B1 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)
| 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 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001595A (en) * | 1975-04-23 | 1977-01-04 | Aeronutronic Ford Corporation | Multiple wavelength transmissometer |
Family Cites Families (3)
| 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 |
| US4188121A (en) * | 1977-02-01 | 1980-02-12 | Hirleman Edwin D Jr | Multiple ratio single particle counter |
-
1980
- 1980-02-08 GB GB8004264A patent/GB2046898B/en not_active Expired
- 1980-02-25 US US06/124,331 patent/US4279512A/en not_active Expired - Lifetime
- 1980-03-19 JP JP3573580A patent/JPS55128144A/ja active Pending
- 1980-03-19 IT IT48209/80A patent/IT1128103B/it active
- 1980-03-20 FR FR8006254A patent/FR2452097A1/fr active Granted
- 1980-03-21 DE DE19803011021 patent/DE3011021A1/de active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001595A (en) * | 1975-04-23 | 1977-01-04 | Aeronutronic Ford Corporation | Multiple wavelength transmissometer |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/69 * |
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 |
| FR2452097B1 (enExample) | 1983-12-23 |
| JPS55128144A (en) | 1980-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |