CH429235A - Process for generating pneumatic negative pressure pulses for actuating overflow pipettes - Google Patents

Process for generating pneumatic negative pressure pulses for actuating overflow pipettes

Info

Publication number
CH429235A
CH429235A CH341963A CH341963A CH429235A CH 429235 A CH429235 A CH 429235A CH 341963 A CH341963 A CH 341963A CH 341963 A CH341963 A CH 341963A CH 429235 A CH429235 A CH 429235A
Authority
CH
Switzerland
Prior art keywords
pipettes
overflow
actuating
negative pressure
pressure pulses
Prior art date
Application number
CH341963A
Other languages
German (de)
Inventor
Fahnrich Vladimir
Original Assignee
Ckd Dukla Narodni Podnik
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 Ckd Dukla Narodni Podnik filed Critical Ckd Dukla Narodni Podnik
Publication of CH429235A publication Critical patent/CH429235A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/02—Burettes; Pipettes
    • B01L3/0289—Apparatus for withdrawing or distributing predetermined quantities of fluid
    • B01L3/0293—Apparatus for withdrawing or distributing predetermined quantities of fluid for liquids
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/10—Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14—Suction devices, e.g. pumps; Ejector devices
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
CH341963A 1962-07-21 1963-03-18 Process for generating pneumatic negative pressure pulses for actuating overflow pipettes CH429235A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS439562 1962-07-21

Publications (1)

Publication Number Publication Date
CH429235A true CH429235A (en) 1967-01-31

Family

ID=5386590

Family Applications (1)

Application Number Title Priority Date Filing Date
CH341963A CH429235A (en) 1962-07-21 1963-03-18 Process for generating pneumatic negative pressure pulses for actuating overflow pipettes

Country Status (4)

Country Link
AT (1) AT254829B (en)
CH (1) CH429235A (en)
DE (1) DE1296416B (en)
GB (1) GB1030516A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604223A1 (en) * 1986-09-18 1988-03-25 Gitton Bernard Hydraulic logic module and modular apparatus comprising it

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111373262A (en) * 2017-12-30 2020-07-03 深圳迈瑞生物医疗电子股份有限公司 Sample analyzer and reagent supply method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE233529C (en) *
BE554660A (en) *
DE259044C (en) *
DE388561C (en) * 1921-12-10 1924-01-15 Max Arndt Gas pump activated by rising and falling process water with gas interception space for gas analysis purposes in the process water space

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2604223A1 (en) * 1986-09-18 1988-03-25 Gitton Bernard Hydraulic logic module and modular apparatus comprising it

Also Published As

Publication number Publication date
AT254829B (en) 1967-06-12
GB1030516A (en) 1966-05-25
DE1296416B (en) 1969-05-29

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