CH628986A5 - Method and device for determining the particle size distribution of a mixture of particles - Google Patents
Method and device for determining the particle size distribution of a mixture of particles Download PDFInfo
- Publication number
- CH628986A5 CH628986A5 CH3579A CH3579A CH628986A5 CH 628986 A5 CH628986 A5 CH 628986A5 CH 3579 A CH3579 A CH 3579A CH 3579 A CH3579 A CH 3579A CH 628986 A5 CH628986 A5 CH 628986A5
- Authority
- CH
- Switzerland
- Prior art keywords
- mixture
- spot
- particles
- counters
- amplitude
- Prior art date
Links
- 239000002245 particle Substances 0.000 title claims description 69
- 239000000203 mixture Substances 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 16
- 230000003287 optical effect Effects 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 4
- 238000003921 particle size analysis Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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
- G01N15/0211—Investigating a scatter or diffraction pattern
-
- 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
- G01N2021/4704—Angular selective
- G01N2021/4711—Multiangle measurement
- G01N2021/4716—Using a ring of sensors, or a combination of diaphragm and sensors; Annular sensor
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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7802302A FR2415801A2 (fr) | 1978-01-27 | 1978-01-27 | Procede et dispositif pour determiner la repartition granulometrique d'un melange de particules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH628986A5 true CH628986A5 (en) | 1982-03-31 |
Family
ID=9203892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH3579A CH628986A5 (en) | 1978-01-27 | 1979-01-04 | Method and device for determining the particle size distribution of a mixture of particles |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE873404R (cs) |
| CH (1) | CH628986A5 (cs) |
| FR (1) | FR2415801A2 (cs) |
| IT (1) | IT1164924B (cs) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3175887D1 (en) * | 1981-04-30 | 1987-03-05 | Amtec Soc | Light scattering photometer |
| FR2688308B1 (fr) * | 1992-03-04 | 1994-05-27 | Cilas | Granulometre a laser. |
| CN105277474A (zh) * | 2014-11-17 | 2016-01-27 | 北京至感传感器技术研究院有限公司 | 粉尘颗粒检测设备 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE787699A (fr) * | 1971-08-25 | 1973-02-19 | Ind Des Comp | Dispositif permettant de determiner une courbe de granulometried'un melange de particules |
| US4015135A (en) * | 1975-01-10 | 1977-03-29 | E. I. Dupont De Nemours And Company | Method and apparatus for particulate monitoring |
-
1978
- 1978-01-27 FR FR7802302A patent/FR2415801A2/fr active Granted
-
1979
- 1979-01-04 CH CH3579A patent/CH628986A5/fr not_active IP Right Cessation
- 1979-01-11 BE BE1/9233A patent/BE873404R/xx not_active IP Right Cessation
- 1979-01-18 IT IT67110/79A patent/IT1164924B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT7967110A0 (it) | 1979-01-18 |
| BE873404R (fr) | 1979-07-11 |
| FR2415801A2 (fr) | 1979-08-24 |
| FR2415801B2 (cs) | 1980-08-29 |
| IT1164924B (it) | 1987-04-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2971337A1 (fr) | Dispositif et procede de mesures multiparametriques de microparticules dans un fluide | |
| FR2636429A1 (fr) | Appareil de mesure de particules | |
| FR2734637A1 (fr) | Dispositif d'inspection optique d'un fluide, notamment pour analyses hematologiques | |
| FR2938649A1 (fr) | Procede et systeme d'analyse de particules solides dans un milieu | |
| FR2553515A1 (fr) | Systeme de detection d'un reactif, cellule d'echantillon, et systeme d'activation cinetique a y utiliser | |
| EP0300875A1 (fr) | Procédé et dispositifs de granulométrie optique pour de larges gammes de mesure | |
| EP2720066A1 (fr) | Procédé d'estimation de la composante transversale de la vitesse de l'air dans une mesure lidar doppler | |
| CH628986A5 (en) | Method and device for determining the particle size distribution of a mixture of particles | |
| EP4085246B1 (fr) | Dispositif de detection de presence de pollens dans l'air, et procede de detection correspondant | |
| FR2530032A1 (fr) | Analyseur de frequence | |
| FR2654513A1 (fr) | Procede et dispositif pour la determiantion des caracteristiques d'un lentille, et, notamment, de sa puissance. | |
| CN108872152B (zh) | 颗粒折射率测量方法、计算机装置及计算机可读存储介质 | |
| EP1464966A1 (en) | Apparatus and method for determining the concentration and motility of light scattering particles | |
| AU636457B2 (en) | A sample cell for use in apparatus for measuring distribution of particle size of particles which diffract or scatter light | |
| US5126581A (en) | Particle measurement method and apparatus for determining corrected particle diameter | |
| FR3013843A1 (fr) | Dispositif et procede de determination de presence de degradations ou salissures sur un hublot de sonde d'anemometrie laser doppler | |
| FR2535053A1 (fr) | Appareil d'identification optique des proprietes multiparametriques individuelles de particules ou objets en flux continu | |
| FR2593599A1 (fr) | Procede et dispositif de determination sans contact du relief d'une surface | |
| GB1589176A (en) | Device for determining a condition at a surface of a subject or within a liquid | |
| JP3269772B2 (ja) | 非破壊による屈折率測定方法及び装置 | |
| US5212393A (en) | Sample cell for diffraction-scattering measurement of particle size distributions | |
| RU2558279C1 (ru) | Способ голографического анализа взвешенных частиц | |
| EP0064110A1 (fr) | Appareil de photométrie par diffusion | |
| EP0036370A1 (fr) | Procédé et appareil d'évaluation de la visibilité | |
| SU823843A1 (ru) | Способ бесконтактного контрол попе-РЕчНыХ РАзМЕРОВ МиКРООб'ЕКТОВ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |