ES400399A1 - Dispositivo para contar y clasificar particulas suspendidasen un liquido de investigacion. - Google Patents

Dispositivo para contar y clasificar particulas suspendidasen un liquido de investigacion.

Info

Publication number
ES400399A1
ES400399A1 ES72400399A ES400399A ES400399A1 ES 400399 A1 ES400399 A1 ES 400399A1 ES 72400399 A ES72400399 A ES 72400399A ES 400399 A ES400399 A ES 400399A ES 400399 A1 ES400399 A1 ES 400399A1
Authority
ES
Spain
Prior art keywords
measurement
opening
liquid
particle
metering
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
ES72400399A
Other languages
English (en)
Spanish (es)
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.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
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
Priority claimed from DE19712111356 external-priority patent/DE2111356A1/de
Priority claimed from DE2145531A external-priority patent/DE2145531C2/de
Priority claimed from DE19722201894 external-priority patent/DE2201894A1/de
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of ES400399A1 publication Critical patent/ES400399A1/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
    • G01N15/134—Devices using two or more 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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
ES72400399A 1971-03-10 1972-03-03 Dispositivo para contar y clasificar particulas suspendidasen un liquido de investigacion. Expired ES400399A1 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19712111356 DE2111356A1 (de) 1971-03-10 1971-03-10 Vorrichtung zum Bestimmen der Anzahl und/oder der Groesse von in einer Probenfluessigkeit suspendierten Partikeln
DE2145531A DE2145531C2 (de) 1971-09-11 1971-09-11 Vorrichtung zum Zählen und Klassieren von in einer elektrisch leitenden Flüssigkeit suspendierten Teilchen
DE19722201894 DE2201894A1 (de) 1972-01-15 1972-01-15 Verfahren zum zaehlen und klassieren von in einer untersuchungsfluessigkeit suspendierten partikeln

Publications (1)

Publication Number Publication Date
ES400399A1 true ES400399A1 (es) 1975-01-01

Family

ID=27183256

Family Applications (1)

Application Number Title Priority Date Filing Date
ES72400399A Expired ES400399A1 (es) 1971-03-10 1972-03-03 Dispositivo para contar y clasificar particulas suspendidasen un liquido de investigacion.

Country Status (10)

Country Link
JP (1) JPS5435115B1 (de)
BE (1) BE780440A (de)
CA (1) CA953786A (de)
CH (1) CH558529A (de)
ES (1) ES400399A1 (de)
FR (1) FR2132004B1 (de)
GB (1) GB1322686A (de)
IT (1) IT953449B (de)
NL (1) NL7202865A (de)
SE (1) SE375614B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4165484A (en) * 1977-03-23 1979-08-21 Becton, Dickinson And Company Particle counting apparatus utilizing various fluid resistors to maintain proper pressure differentials

Also Published As

Publication number Publication date
BE780440A (fr) 1972-07-03
JPS5435115B1 (de) 1979-10-31
GB1322686A (en) 1973-07-11
FR2132004A1 (de) 1972-11-17
SE375614B (de) 1975-04-21
CA953786A (en) 1974-08-27
FR2132004B1 (de) 1976-02-20
IT953449B (it) 1973-08-10
NL7202865A (de) 1972-09-12
CH558529A (de) 1975-01-31

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