NL162204B - DEVICE FOR COUNTING PARTICLES SUSPENDED IN A LIQUID. - Google Patents
DEVICE FOR COUNTING PARTICLES SUSPENDED IN A LIQUID.Info
- Publication number
- NL162204B NL162204B NL6717845.A NL6717845A NL162204B NL 162204 B NL162204 B NL 162204B NL 6717845 A NL6717845 A NL 6717845A NL 162204 B NL162204 B NL 162204B
- Authority
- NL
- Netherlands
- Prior art keywords
- liquid
- particles suspended
- counting particles
- counting
- suspended
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title 1
- 239000002245 particle Substances 0.000 title 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
-
- 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
-
- 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
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
Landscapes
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Investigating Or Analysing Biological Materials (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
HUME000828 | 1967-01-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
NL6717845A NL6717845A (en) | 1968-07-08 |
NL162204B true NL162204B (en) | 1979-11-15 |
NL162204C NL162204C (en) | 1980-04-15 |
Family
ID=10999188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6717845.A NL162204C (en) | 1967-01-06 | 1967-12-29 | Apparatus for counting particles suspended in a liquid. |
Country Status (7)
Country | Link |
---|---|
CH (1) | CH476300A (en) |
DE (1) | DE1698239A1 (en) |
DK (1) | DK116081B (en) |
FR (1) | FR1550709A (en) |
GB (1) | GB1216752A (en) |
NL (1) | NL162204C (en) |
SE (1) | SE340707B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3859012A (en) * | 1972-08-10 | 1975-01-07 | Coulter Electronics | Fluid ejecting mechanism |
US4631483A (en) * | 1984-02-01 | 1986-12-23 | Coulter Electronics, Inc. | Particle analyzing apparatus and method of moving particles in suspension through such apparatus |
JP2573091B2 (en) * | 1990-09-23 | 1997-01-16 | 株式会社堀場製作所 | Liquid measuring device |
-
1967
- 1967-12-13 CH CH1757567A patent/CH476300A/en not_active IP Right Cessation
- 1967-12-29 SE SE18120/67A patent/SE340707B/xx unknown
- 1967-12-29 DK DK670667AA patent/DK116081B/en unknown
- 1967-12-29 NL NL6717845.A patent/NL162204C/en not_active IP Right Cessation
-
1968
- 1968-01-04 GB GB596/68A patent/GB1216752A/en not_active Expired
- 1968-01-05 FR FR135092A patent/FR1550709A/fr not_active Expired
- 1968-06-05 DE DE19681698239 patent/DE1698239A1/en active Granted
Also Published As
Publication number | Publication date |
---|---|
NL6717845A (en) | 1968-07-08 |
SE340707B (en) | 1971-11-29 |
DE1698239B2 (en) | 1974-06-12 |
DE1698239C3 (en) | 1975-01-30 |
CH476300A (en) | 1969-07-31 |
DE1698239A1 (en) | 1972-12-14 |
NL162204C (en) | 1980-04-15 |
GB1216752A (en) | 1970-12-23 |
DK116081B (en) | 1969-12-08 |
FR1550709A (en) | 1968-12-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
V4 | Discontinued because of reaching the maximum lifetime of a patent |