IL23227A - Particle counting and sizing apparatus - Google Patents

Particle counting and sizing apparatus

Info

Publication number
IL23227A
IL23227A IL23227A IL2322765A IL23227A IL 23227 A IL23227 A IL 23227A IL 23227 A IL23227 A IL 23227A IL 2322765 A IL2322765 A IL 2322765A IL 23227 A IL23227 A IL 23227A
Authority
IL
Israel
Prior art keywords
aperture
image
whioh
light
particles
Prior art date
Application number
IL23227A
Other languages
English (en)
Original Assignee
Coulter W
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Coulter W filed Critical Coulter W
Publication of IL23227A publication Critical patent/IL23227A/en

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/10Investigating individual particles
    • G01N15/1031Investigating individual particles by measuring electrical or magnetic effects
    • G01N15/12Investigating 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
    • G01N15/131Details

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 Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Volume Flow (AREA)
IL23227A 1964-07-14 1965-03-25 Particle counting and sizing apparatus IL23227A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US382560A US3389334A (en) 1964-07-14 1964-07-14 Particle analyzing apparatus having means for observing a scanning aperture

Publications (1)

Publication Number Publication Date
IL23227A true IL23227A (en) 1968-10-24

Family

ID=23509507

Family Applications (1)

Application Number Title Priority Date Filing Date
IL23227A IL23227A (en) 1964-07-14 1965-03-25 Particle counting and sizing apparatus

Country Status (9)

Country Link
US (1) US3389334A (zh)
BR (1) BR6569508D0 (zh)
CH (1) CH429240A (zh)
DE (1) DE1283570B (zh)
DK (1) DK108181C (zh)
GB (1) GB1055523A (zh)
IL (1) IL23227A (zh)
NL (2) NL6506111A (zh)
NO (1) NO117453B (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183604A (en) * 1992-01-24 1993-02-02 The Dow Chemical Company Size separation of particles contained within a material by the use of nonaqueous hydrodynamic chromatography

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780956A (en) * 1955-01-28 1957-02-12 Jones And Lamson Machine Compa Circle tolerance gauge for optical comparators
US2920525A (en) * 1956-08-13 1960-01-12 Arthur V Appel Apparatus for automatically counting and sizing airborne particles
US2958255A (en) * 1957-05-03 1960-11-01 Optical Measuring Tools Ltd Methods for indicating profiles
NL127771C (zh) * 1958-12-29
US3015775A (en) * 1959-01-09 1962-01-02 Coulter Electronics Fluid metering system and apparatus

Also Published As

Publication number Publication date
NO117453B (zh) 1969-08-11
NL6506111A (zh) 1966-01-17
BR6569508D0 (pt) 1973-07-10
GB1055523A (en) 1967-01-18
US3389334A (en) 1968-06-18
DK108181C (da) 1967-10-02
CH429240A (fr) 1967-01-31
DE1283570B (de) 1968-11-21
NL127594C (zh)

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