BR6569508D0 - Aparelho para contar e dimensionar particulas - Google Patents

Aparelho para contar e dimensionar particulas

Info

Publication number
BR6569508D0
BR6569508D0 BR169508/65A BR16950865A BR6569508D0 BR 6569508 D0 BR6569508 D0 BR 6569508D0 BR 169508/65 A BR169508/65 A BR 169508/65A BR 16950865 A BR16950865 A BR 16950865A BR 6569508 D0 BR6569508 D0 BR 6569508D0
Authority
BR
Brazil
Prior art keywords
appliance
counting
sizing particles
sizing
particles
Prior art date
Application number
BR169508/65A
Other languages
English (en)
Inventor
W Hogg
Original Assignee
Wallace Henry Coulter
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 Wallace Henry Coulter filed Critical Wallace Henry Coulter
Publication of BR6569508D0 publication Critical patent/BR6569508D0/pt

Links

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

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 Or Analysing Biological Materials (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Measuring Volume Flow (AREA)
BR169508/65A 1964-07-14 1965-05-07 Aparelho para contar e dimensionar particulas BR6569508D0 (pt)

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
BR6569508D0 true BR6569508D0 (pt) 1973-07-10

Family

ID=23509507

Family Applications (1)

Application Number Title Priority Date Filing Date
BR169508/65A BR6569508D0 (pt) 1964-07-14 1965-05-07 Aparelho para contar e dimensionar particulas

Country Status (9)

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

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
NL240601A (pt) * 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
NL6506111A (pt) 1966-01-17
CH429240A (fr) 1967-01-31
IL23227A (en) 1968-10-24
DK108181C (da) 1967-10-02
US3389334A (en) 1968-06-18
GB1055523A (en) 1967-01-18
DE1283570B (de) 1968-11-21
NO117453B (pt) 1969-08-11
NL127594C (pt)

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