JPS57147060A - Apparatus for automatic chemical analysis - Google Patents

Apparatus for automatic chemical analysis

Info

Publication number
JPS57147060A
JPS57147060A JP3342181A JP3342181A JPS57147060A JP S57147060 A JPS57147060 A JP S57147060A JP 3342181 A JP3342181 A JP 3342181A JP 3342181 A JP3342181 A JP 3342181A JP S57147060 A JPS57147060 A JP S57147060A
Authority
JP
Japan
Prior art keywords
nozzle
temperature
sample
sampling
heater
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.)
Pending
Application number
JP3342181A
Other languages
Japanese (ja)
Inventor
Ayanori Sawada
Kazutoshi Yamagishi
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP3342181A priority Critical patent/JPS57147060A/en
Publication of JPS57147060A publication Critical patent/JPS57147060A/en
Pending legal-status Critical Current

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
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • 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
    • G01N2035/00346—Heating or cooling arrangements
    • G01N2035/00425—Heating or cooling means associated with pipettes or the like, e.g. for supplying sample/reagent at given temperature
    • 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
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
    • G01N2035/1025—Fluid level sensing

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Automatic Analysis And Handling Materials Therefor (AREA)

Abstract

PURPOSE:To avoid a useless sampling, by keeping a nozzle at a constant temperature by a heater and providing a temperature detector at an immersion boundary position of a sample of the nozzle then, detecting the fact that the nozzle is immersed to a prescribed position in the sample. CONSTITUTION:A heater 22 for keeping a constant temperature is provided at a middle part of a sampling nozzle 21 and a microbeat type thermistor 23 for temperature detection is provided at a position to have a prescribed quantity of immersion from the tip end of the nozzle 21 then, is controlled so as to hold a temperature of 37-40 deg.C by the heater 22 during a suspension period of sampling. When the sampling starts and the nozzle is inserted into a cup 1 putting in a sample 2, temperature of the thermistor 23 is lowered because heat of the nozzle 21 is taken away through the sample 2. Desired quantity of the sample 2 is sampled by detecting lowering of the temperature and controlling a vertical motion of the nozzle 21 and washing is carried out easily because the nozzle 21 has a simple shape.
JP3342181A 1981-03-09 1981-03-09 Apparatus for automatic chemical analysis Pending JPS57147060A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3342181A JPS57147060A (en) 1981-03-09 1981-03-09 Apparatus for automatic chemical analysis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3342181A JPS57147060A (en) 1981-03-09 1981-03-09 Apparatus for automatic chemical analysis

Publications (1)

Publication Number Publication Date
JPS57147060A true JPS57147060A (en) 1982-09-10

Family

ID=12386094

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3342181A Pending JPS57147060A (en) 1981-03-09 1981-03-09 Apparatus for automatic chemical analysis

Country Status (1)

Country Link
JP (1) JPS57147060A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011070U (en) * 1983-07-04 1985-01-25 オリンパス光学工業株式会社 cleaning equipment
JPS62173059U (en) * 1986-04-22 1987-11-04
EP0337460A2 (en) * 1988-04-15 1989-10-18 Przedsiebiorstwo Polonijno Zagraniczne Plastomed A fluid dispensing device
JPH0328721A (en) * 1989-06-26 1991-02-06 Shionogi & Co Ltd Level gauge and precise metering instrument the including level gauge
EP0531518A1 (en) * 1991-03-26 1993-03-17 Akzo Nobel N.V. A heated liquid sampling probe for an automated sampling apparatus
EP0546463A1 (en) * 1991-12-12 1993-06-16 Hamilton Bonaduz AG Method and apparatus for clearing pipette tips
EP1594795A2 (en) * 2003-02-07 2005-11-16 Beckman Coulter, Inc. Method and apparatus for aspirating liquid from a container
DE102010049037A1 (en) * 2010-10-21 2012-04-26 Stratec Biomedical Ag Apparatus and method for detecting the liquid level of a liquid for monitoring a Dispense / Aspirate process in reaction vessels

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4869556A (en) * 1971-12-22 1973-09-21
JPS5027887B1 (en) * 1970-10-23 1975-09-11

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027887B1 (en) * 1970-10-23 1975-09-11
JPS4869556A (en) * 1971-12-22 1973-09-21

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6011070U (en) * 1983-07-04 1985-01-25 オリンパス光学工業株式会社 cleaning equipment
JPS62173059U (en) * 1986-04-22 1987-11-04
EP0337460A2 (en) * 1988-04-15 1989-10-18 Przedsiebiorstwo Polonijno Zagraniczne Plastomed A fluid dispensing device
JPH0328721A (en) * 1989-06-26 1991-02-06 Shionogi & Co Ltd Level gauge and precise metering instrument the including level gauge
EP0531518A1 (en) * 1991-03-26 1993-03-17 Akzo Nobel N.V. A heated liquid sampling probe for an automated sampling apparatus
EP0531518A4 (en) * 1991-03-26 1996-02-28 Akzo Nv A heated liquid sampling probe for an automated sampling apparatus
EP0546463A1 (en) * 1991-12-12 1993-06-16 Hamilton Bonaduz AG Method and apparatus for clearing pipette tips
EP1594795A2 (en) * 2003-02-07 2005-11-16 Beckman Coulter, Inc. Method and apparatus for aspirating liquid from a container
EP1594795A4 (en) * 2003-02-07 2008-09-10 Beckman Coulter Inc Method and apparatus for aspirating liquid from a container
DE102010049037A1 (en) * 2010-10-21 2012-04-26 Stratec Biomedical Ag Apparatus and method for detecting the liquid level of a liquid for monitoring a Dispense / Aspirate process in reaction vessels
DE102010049037B4 (en) * 2010-10-21 2020-11-19 Stratec Biomedical Ag Device and method for detecting the fill level of a liquid for monitoring a dispense / aspirate process in reaction vessels

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