DE1940498C3 - Gerät zur Untersuchung von physikalischen Eigenschaften von mikroskopischen Teilchen in einer Suspension - Google Patents
Gerät zur Untersuchung von physikalischen Eigenschaften von mikroskopischen Teilchen in einer SuspensionInfo
- Publication number
- DE1940498C3 DE1940498C3 DE1940498A DE1940498A DE1940498C3 DE 1940498 C3 DE1940498 C3 DE 1940498C3 DE 1940498 A DE1940498 A DE 1940498A DE 1940498 A DE1940498 A DE 1940498A DE 1940498 C3 DE1940498 C3 DE 1940498C3
- Authority
- DE
- Germany
- Prior art keywords
- opening
- particle
- suspension
- detection device
- tactile
- 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 title claims description 55
- 239000000725 suspension Substances 0.000 title claims description 33
- 230000000704 physical effect Effects 0.000 title claims description 4
- 238000011835 investigation Methods 0.000 title 1
- 238000001514 detection method Methods 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000008859 change Effects 0.000 description 23
- 239000007788 liquid Substances 0.000 description 22
- 239000003990 capacitor Substances 0.000 description 12
- 238000011896 sensitive detection Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012546 transfer Methods 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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N15/131—Details
- G01N15/132—Circuits
-
- 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
- G01N15/10—Investigating individual particles
- G01N15/1031—Investigating individual particles by measuring electrical or magnetic effects
- G01N15/12—Investigating individual particles by measuring electrical or magnetic effects by observing changes in resistance or impedance across apertures when traversed by individual particles, e.g. by using the Coulter principle
- G01N2015/135—Electrodes
- G01N2015/136—Scanning electrodes
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Measurement Of Resistance Or Impedance (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB39838/69A GB1273172A (en) | 1969-08-08 | 1969-08-08 | Particle studying apparatus |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE1940498A1 DE1940498A1 (de) | 1971-02-18 |
| DE1940498B2 DE1940498B2 (de) | 1976-12-02 |
| DE1940498C3 true DE1940498C3 (de) | 1979-02-15 |
Family
ID=10411771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1940498A Expired DE1940498C3 (de) | 1969-08-08 | 1969-08-08 | Gerät zur Untersuchung von physikalischen Eigenschaften von mikroskopischen Teilchen in einer Suspension |
Country Status (5)
| Country | Link |
|---|---|
| AU (1) | AU435220B2 (enrdf_load_stackoverflow) |
| DE (1) | DE1940498C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2057274A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1273172A (enrdf_load_stackoverflow) |
| NL (1) | NL6912128A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH618514A5 (enrdf_load_stackoverflow) | 1977-08-25 | 1980-07-31 | Contraves Ag | |
| CN108663292B (zh) * | 2018-05-14 | 2021-08-31 | 中国计量科学研究院 | 油液污染度分析仪校准方法 |
-
1969
- 1969-08-08 FR FR6927342A patent/FR2057274A5/fr not_active Expired
- 1969-08-08 GB GB39838/69A patent/GB1273172A/en not_active Expired
- 1969-08-08 NL NL6912128A patent/NL6912128A/xx unknown
- 1969-08-08 AU AU59284/69A patent/AU435220B2/en not_active Expired
- 1969-08-08 DE DE1940498A patent/DE1940498C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1273172A (en) | 1972-05-03 |
| FR2057274A5 (enrdf_load_stackoverflow) | 1971-05-21 |
| DE1940498A1 (de) | 1971-02-18 |
| AU5928469A (en) | 1971-02-11 |
| DE1940498B2 (de) | 1976-12-02 |
| NL6912128A (enrdf_load_stackoverflow) | 1971-02-10 |
| AU435220B2 (en) | 1973-04-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| EHJ | Ceased/non-payment of the annual fee |