NL162204C - Apparatus for counting particles suspended in a liquid. - Google Patents

Apparatus for counting particles suspended in a liquid.

Info

Publication number
NL162204C
NL162204C NL6717845.A NL6717845A NL162204C NL 162204 C NL162204 C NL 162204C NL 6717845 A NL6717845 A NL 6717845A NL 162204 C NL162204 C NL 162204C
Authority
NL
Netherlands
Prior art keywords
liquid
particles suspended
counting particles
counting
suspended
Prior art date
Application number
NL6717845.A
Other languages
Dutch (nl)
Other versions
NL6717845A (en
NL162204B (en
Original Assignee
Medicor Muevek
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 Muevek filed Critical Medicor Muevek
Publication of NL6717845A publication Critical patent/NL6717845A/xx
Publication of NL162204B publication Critical patent/NL162204B/en
Application granted granted Critical
Publication of NL162204C publication Critical patent/NL162204C/en

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)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
NL6717845.A 1967-01-06 1967-12-29 Apparatus for counting particles suspended in a liquid. NL162204C (en)

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 NL162204B (en) 1979-11-15
NL162204C true 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)

* 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
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

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
GB1216752A (en) 1970-12-23
DK116081B (en) 1969-12-08
NL162204B (en) 1979-11-15
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