ES388642A1 - Un metodo y su correspondiente aparato para determinar electronicamente el volumen total de materia particulada. - Google Patents

Un metodo y su correspondiente aparato para determinar electronicamente el volumen total de materia particulada.

Info

Publication number
ES388642A1
ES388642A1 ES388642A ES388642A ES388642A1 ES 388642 A1 ES388642 A1 ES 388642A1 ES 388642 A ES388642 A ES 388642A ES 388642 A ES388642 A ES 388642A ES 388642 A1 ES388642 A1 ES 388642A1
Authority
ES
Spain
Prior art keywords
suspension
electrical
proportional
particle size
measurement
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
ES388642A
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.)
CULTER ELECTRONICS Ltd
Original Assignee
CULTER ELECTRONICS Ltd
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 CULTER ELECTRONICS Ltd filed Critical CULTER ELECTRONICS Ltd
Publication of ES388642A1 publication Critical patent/ES388642A1/es
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
    • G01N15/132—Circuits

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 Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
ES388642A 1970-05-25 1971-09-25 Un metodo y su correspondiente aparato para determinar electronicamente el volumen total de materia particulada. Expired ES388642A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4023170A 1970-05-25 1970-05-25

Publications (1)

Publication Number Publication Date
ES388642A1 true ES388642A1 (es) 1974-02-16

Family

ID=21909862

Family Applications (1)

Application Number Title Priority Date Filing Date
ES388642A Expired ES388642A1 (es) 1970-05-25 1971-09-25 Un metodo y su correspondiente aparato para determinar electronicamente el volumen total de materia particulada.

Country Status (12)

Country Link
US (1) US3757213A (es)
BE (1) BE763433A (es)
CA (1) CA937289A (es)
CH (1) CH535954A (es)
DE (1) DE2109046A1 (es)
ES (1) ES388642A1 (es)
FR (1) FR2092378A5 (es)
GB (1) GB1330587A (es)
IL (1) IL36295A (es)
NL (1) NL7102426A (es)
SE (1) SE369119B (es)
ZA (1) ZA711210B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3810011A (en) * 1970-05-25 1974-05-07 Coulter Electronics Apparatus and method for analyzing the particle volume distribution for a plurality of particles of different size in a quantity of liquid
US3973189A (en) * 1972-05-15 1976-08-03 General Science Corporation Hematology system
US3828260A (en) * 1973-04-02 1974-08-06 Royco Instr Inc Hematocrit measuring apparatus
US3863056A (en) * 1973-06-29 1975-01-28 Coulter Electronics Method and apparatus for multichannel voting
US3982183A (en) * 1975-02-20 1976-09-21 Coulter Electronics, Inc. Particle sizing apparatus
US4110604A (en) * 1976-11-04 1978-08-29 Becton, Dickinson And Company Particle density measuring system
US4450435A (en) * 1981-11-30 1984-05-22 Bobby Dencil James Analog debris alarm
US4704364A (en) * 1984-05-18 1987-11-03 Coulter Electronics, Inc. Hematology control compositions for three populations of leukocytes; and methods for their preparation and use in whole blood control systems
US5204884A (en) * 1991-03-18 1993-04-20 University Of Rochester System for high-speed measurement and sorting of particles
DE60206859T2 (de) * 2001-08-07 2006-05-24 Sysmex Corp. Vorrichtung und Verfahren zur Messung von Teilchengrössen
EP1664737B1 (en) * 2003-09-02 2016-03-30 Koninklijke Philips N.V. A pulse height analyser
US7928718B2 (en) * 2004-10-01 2011-04-19 Chempaq A/S Method for calibrating a particle counting apparatus
WO2009109190A1 (en) * 2008-03-03 2009-09-11 Chempaq A/S High resolution classification

Also Published As

Publication number Publication date
GB1330587A (en) 1973-09-19
IL36295A0 (en) 1971-04-28
FR2092378A5 (es) 1972-01-21
BE763433A (fr) 1971-08-25
ZA711210B (en) 1972-09-27
SE369119B (es) 1974-08-05
US3757213A (en) 1973-09-04
DE2109046A1 (de) 1971-12-02
CA937289A (en) 1973-11-20
IL36295A (en) 1973-11-28
NL7102426A (es) 1971-11-29
CH535954A (fr) 1973-04-15

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