DE3011021C2 - - Google Patents
Info
- Publication number
- DE3011021C2 DE3011021C2 DE3011021A DE3011021A DE3011021C2 DE 3011021 C2 DE3011021 C2 DE 3011021C2 DE 3011021 A DE3011021 A DE 3011021A DE 3011021 A DE3011021 A DE 3011021A DE 3011021 C2 DE3011021 C2 DE 3011021C2
- Authority
- DE
- Germany
- Prior art keywords
- suspension
- particles
- value
- optical density
- continuous medium
- 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.)
- Expired
Links
- 239000002245 particle Substances 0.000 claims description 46
- 238000000034 method Methods 0.000 claims description 32
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 30
- 239000000725 suspension Substances 0.000 claims description 27
- 239000000049 pigment Substances 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 17
- 239000004408 titanium dioxide Substances 0.000 claims description 13
- 238000013016 damping Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000011236 particulate material Substances 0.000 claims description 6
- 230000005670 electromagnetic radiation Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims 1
- 239000003973 paint Substances 0.000 description 8
- 238000000227 grinding Methods 0.000 description 7
- 239000012153 distilled water Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000007900 aqueous suspension Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 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
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 |
|---|---|
| DE3011021A1 DE3011021A1 (de) | 1980-11-20 |
| DE3011021C2 true DE3011021C2 (enExample) | 1989-02-09 |
Family
ID=10504022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803011021 Granted DE3011021A1 (de) | 1979-03-21 | 1980-03-21 | Verfahren zur bestimmung der mittleren teilchengroesse und/oder standardabweichung von teilchen |
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 |
Family Cites Families (4)
| 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 |
-
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
Also Published As
| Publication number | Publication date |
|---|---|
| DE3011021A1 (de) | 1980-11-20 |
| 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 |
| FR2452097A1 (fr) | 1980-10-17 |
| JPS55128144A (en) | 1980-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8125 | Change of the main classification |
Ipc: G01N 15/02 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |