CH533463A - Device for diluting liquid samples - Google Patents

Device for diluting liquid samples

Info

Publication number
CH533463A
CH533463A CH614572A CH614572A CH533463A CH 533463 A CH533463 A CH 533463A CH 614572 A CH614572 A CH 614572A CH 614572 A CH614572 A CH 614572A CH 533463 A CH533463 A CH 533463A
Authority
CH
Switzerland
Prior art keywords
liquid samples
diluting liquid
diluting
samples
liquid
Prior art date
Application number
CH614572A
Other languages
German (de)
Inventor
Lartigue Gerard
Rousselet Andre
Original Assignee
Hoffmann La Roche
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 Hoffmann La Roche filed Critical Hoffmann La Roche
Publication of CH533463A publication Critical patent/CH533463A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/001—Control of flow ratio with discontinuous action
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/38—Diluting, dispersing or mixing samples
    • G01N2001/382—Diluting, dispersing or mixing samples using pistons of different sections

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Sampling And Sample Adjustment (AREA)
CH614572A 1971-05-18 1972-04-25 Device for diluting liquid samples CH533463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7117955A FR2137308B1 (en) 1971-05-18 1971-05-18

Publications (1)

Publication Number Publication Date
CH533463A true CH533463A (en) 1973-02-15

Family

ID=9077236

Family Applications (1)

Application Number Title Priority Date Filing Date
CH614572A CH533463A (en) 1971-05-18 1972-04-25 Device for diluting liquid samples

Country Status (7)

Country Link
US (1) US3810720A (en)
BE (1) BE783569A (en)
CH (1) CH533463A (en)
DE (1) DE2224385A1 (en)
FR (1) FR2137308B1 (en)
IT (1) IT955247B (en)
NL (1) NL7206198A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3963148A (en) * 1974-01-10 1976-06-15 Coulter Electronics, Inc. Apparatus for drawing, measuring and discharging proportional amounts of fluid
US3955930A (en) * 1975-04-07 1976-05-11 Justin Joel Shapiro Automatic dilutor having coupled diluent and reagent plungers
GB1558931A (en) * 1976-06-03 1980-01-09 Brand Fa Rudolf Diluting and pipetting apparatus
US4269327A (en) * 1978-05-24 1981-05-26 Welch Henry H Device for carrying out high precision dilutions and dosages of liquids, particularly biological liquids
US4976546A (en) * 1989-05-12 1990-12-11 Beattie Lewis J Two component fluid mixing and dispensing system
FR2815719B1 (en) * 2000-10-24 2003-01-17 Junior Instruments AUTOMATIC PIPETTING DEVICE WITH RINSING
FR2836400B1 (en) * 2002-02-25 2004-07-09 Junior Instruments AUTOMATIC PRECISION PIPETTING DEVICE

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL50293C (en) * 1936-12-21 1941-05-15
US2815149A (en) * 1954-07-20 1957-12-03 Avery Hardoll Ltd Apparatus for dispensing liquids
US2922379A (en) * 1957-06-06 1960-01-26 Eugene L Schultz Heart action multi-line pump constructions
US3144831A (en) * 1961-07-13 1964-08-18 Beckman Instruments Inc Fluid gradient engine
US3230887A (en) * 1962-10-29 1966-01-25 Beckman Instruments Inc Even flow apparatus and method for fluid gradient engines and the like
US3359910A (en) * 1965-06-10 1967-12-26 Little Inc A Apparatus for programming fluid flow
FR1475725A (en) * 1966-01-07 1967-04-07 Coultronics France S A Apparatus for the preparation of liquid mixtures
US3484207A (en) * 1967-05-22 1969-12-16 American Optical Corp Liquid sampling-pipetting method and apparatus
US3401839A (en) * 1967-05-29 1968-09-17 Honeywell Inc Liquid sampling and dispensing device
US3575161A (en) * 1968-03-07 1971-04-20 Seymour B London Valve for biological systems
US3572130A (en) * 1969-08-27 1971-03-23 Nat Instr Lab Inc Liquid sample pick-up and dispensing apparatus

Also Published As

Publication number Publication date
NL7206198A (en) 1972-11-21
DE2224385A1 (en) 1972-11-30
FR2137308A1 (en) 1972-12-29
BE783569A (en) 1972-11-17
IT955247B (en) 1973-09-29
US3810720A (en) 1974-05-14
FR2137308B1 (en) 1975-01-17

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Legal Events

Date Code Title Description
PL Patent ceased