GB1216752A - Particle counting device - Google Patents

Particle counting device

Info

Publication number
GB1216752A
GB1216752A GB596/68A GB59668A GB1216752A GB 1216752 A GB1216752 A GB 1216752A GB 596/68 A GB596/68 A GB 596/68A GB 59668 A GB59668 A GB 59668A GB 1216752 A GB1216752 A GB 1216752A
Authority
GB
United Kingdom
Prior art keywords
liquid
counting
chamber
pressure
electrode
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
Application number
GB596/68A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medicor Muvek
Original Assignee
Medicor Muvek
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 Medicor Muvek filed Critical Medicor Muvek
Publication of GB1216752A publication Critical patent/GB1216752A/en
Expired legal-status Critical Current

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
    • 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)
  • Sampling And Sample Adjustment (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB596/68A 1967-01-06 1968-01-04 Particle counting device Expired GB1216752A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUME000828 1967-01-06

Publications (1)

Publication Number Publication Date
GB1216752A true GB1216752A (en) 1970-12-23

Family

ID=10999188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB596/68A Expired GB1216752A (en) 1967-01-06 1968-01-04 Particle counting device

Country Status (7)

Country Link
CH (1) CH476300A (fr)
DE (1) DE1698239A1 (fr)
DK (1) DK116081B (fr)
FR (1) FR1550709A (fr)
GB (1) GB1216752A (fr)
NL (1) NL162204C (fr)
SE (1) SE340707B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0169897A1 (fr) * 1984-02-01 1986-02-05 Coulter Electronics Appareil d'analyse de particules.
FR2667156A1 (fr) * 1990-09-23 1992-03-27 Horiba Ltd Appareil pour mesurer un liquide.

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3859012A (en) * 1972-08-10 1975-01-07 Coulter Electronics Fluid ejecting mechanism

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0169897A1 (fr) * 1984-02-01 1986-02-05 Coulter Electronics Appareil d'analyse de particules.
EP0169897A4 (fr) * 1984-02-01 1987-10-08 Coulter Electronics Appareil d'analyse de particules.
FR2667156A1 (fr) * 1990-09-23 1992-03-27 Horiba Ltd Appareil pour mesurer un liquide.

Also Published As

Publication number Publication date
CH476300A (de) 1969-07-31
NL6717845A (fr) 1968-07-08
DE1698239A1 (de) 1972-12-14
NL162204C (nl) 1980-04-15
FR1550709A (fr) 1968-12-20
SE340707B (fr) 1971-11-29
DK116081B (da) 1969-12-08
NL162204B (nl) 1979-11-15
DE1698239C3 (fr) 1975-01-30
DE1698239B2 (fr) 1974-06-12

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