SE380350B - Anordning vid en partikelanalyseringsapparat, som arbetar foretredesvis enligt den s.k. coulterprincipen - Google Patents

Anordning vid en partikelanalyseringsapparat, som arbetar foretredesvis enligt den s.k. coulterprincipen

Info

Publication number
SE380350B
SE380350B SE7204199A SE419972A SE380350B SE 380350 B SE380350 B SE 380350B SE 7204199 A SE7204199 A SE 7204199A SE 419972 A SE419972 A SE 419972A SE 380350 B SE380350 B SE 380350B
Authority
SE
Sweden
Prior art keywords
coulterprincipen
call
analysis apparatus
works according
preferably works
Prior art date
Application number
SE7204199A
Other languages
English (en)
Swedish (sv)
Inventor
W R Hogg
Original Assignee
Coulter Electronics
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 Electronics filed Critical Coulter Electronics
Publication of SE380350B publication Critical patent/SE380350B/xx

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
    • G01N15/13—Details pertaining to apertures

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)
  • Sampling And Sample Adjustment (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
SE7204199A 1971-04-07 1972-03-29 Anordning vid en partikelanalyseringsapparat, som arbetar foretredesvis enligt den s.k. coulterprincipen SE380350B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13192371A 1971-04-07 1971-04-07

Publications (1)

Publication Number Publication Date
SE380350B true SE380350B (sv) 1975-11-03

Family

ID=22451620

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7204199A SE380350B (sv) 1971-04-07 1972-03-29 Anordning vid en partikelanalyseringsapparat, som arbetar foretredesvis enligt den s.k. coulterprincipen

Country Status (9)

Country Link
US (1) US3746976A (xx)
JP (1) JPS5326518B1 (xx)
CA (2) CA941450A (xx)
CH (1) CH552804A (xx)
DE (1) DE2215486C3 (xx)
FR (1) FR2132670B1 (xx)
GB (1) GB1341366A (xx)
NL (1) NL165844C (xx)
SE (1) SE380350B (xx)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902115A (en) * 1973-09-26 1975-08-26 Coulter Electronics Self-cleaning aperture tube for coulter study apparatus and electrolyte supply system therefor
US4001678A (en) * 1974-05-16 1977-01-04 Berg Robert H Displacement metering with independent ancillary flow
US3930736A (en) * 1974-07-01 1976-01-06 Coulter Electronics, Inc. Aperture tube with attached thief
US4014611A (en) * 1975-04-30 1977-03-29 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
US4090128A (en) * 1977-02-15 1978-05-16 Coulter Electronics, Inc. Aperture module for use in particle testing apparatus
SE7801123L (sv) * 1977-02-15 1978-08-16 Coulter Electronics Elektronisk partikelavkenningsoppningsmodul med perforerade elektroder
US4237416A (en) * 1977-03-22 1980-12-02 Becton Dickinson And Company Apparatus for counting and sizing particles suspended in a liquid electrolyte
US4180091A (en) * 1977-11-18 1979-12-25 Becton, Dickinson And Company Purging means for aperture of blood cell counter
US4361803A (en) * 1980-08-26 1982-11-30 Coulter Electronics, Inc. Apparatus for recirculating sweep flow electrolyte without a pump
DE3233055C2 (de) * 1982-09-06 1994-07-28 Coulter Electronics Durchflußvorrichtung zur Untersuchung einzelner, in einer Flüssigkeit suspendierter Teilchen
US4503385A (en) * 1983-07-11 1985-03-05 Becton, Dickinson And Company Apparatus and method for regulating sheath fluid flow in a hydrodynamically focused fluid flow system
US4710021A (en) * 1983-10-14 1987-12-01 Sequoia-Turner Corporation Particulate matter analyzing apparatus and method
JPS61124850A (ja) * 1984-11-21 1986-06-12 Eruma Kogaku Kk 超純水の不純物測定装置
US5094818A (en) * 1989-05-04 1992-03-10 Exact Science, Inc. Self-filling anti-siphon flow system for particle analysis
US5432992A (en) * 1993-12-23 1995-07-18 Abbott Laboratories Method of making count probe with removable count wafer
US5402062A (en) * 1993-12-23 1995-03-28 Abbott Laboratories Mechanical capture of count wafer for particle analysis
AU1258595A (en) * 1993-12-23 1995-07-10 Abbott Laboratories Method of making a stress relieved count probe
GB9405028D0 (en) * 1994-03-15 1994-04-27 Counting Tech Ltd Fluid diluter
US5895869A (en) * 1995-11-17 1999-04-20 Mwi, Inc. Method and apparatus for analyzing particulate matter
US6111398A (en) * 1997-07-03 2000-08-29 Coulter International Corp. Method and apparatus for sensing and characterizing particles
US6175227B1 (en) 1997-07-03 2001-01-16 Coulter International Corp. Potential-sensing method and apparatus for sensing and characterizing particles by the Coulter principle

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3299354A (en) * 1962-07-05 1967-01-17 Coulter Electronics Aperture tube structure for particle study apparatus
US3583209A (en) * 1969-02-27 1971-06-08 Automation Prod Method of and apparatus for measuring mass of a material

Also Published As

Publication number Publication date
NL165844C (nl) 1981-05-15
CA941450A (en) 1974-02-05
FR2132670B1 (xx) 1973-06-29
DE2215486A1 (de) 1972-10-12
JPS5326518B1 (xx) 1978-08-02
CH552804A (fr) 1974-08-15
US3746976A (en) 1973-07-17
FR2132670A1 (xx) 1972-11-24
DE2215486B2 (de) 1980-01-24
CA1042511B (en) 1978-11-14
DE2215486C3 (de) 1980-09-18
NL7204208A (xx) 1972-10-10
NL165844B (nl) 1980-12-15
GB1341366A (en) 1973-12-19

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