JPS55128678A - Liquid chromatography - Google Patents

Liquid chromatography

Info

Publication number
JPS55128678A
JPS55128678A JP3559379A JP3559379A JPS55128678A JP S55128678 A JPS55128678 A JP S55128678A JP 3559379 A JP3559379 A JP 3559379A JP 3559379 A JP3559379 A JP 3559379A JP S55128678 A JPS55128678 A JP S55128678A
Authority
JP
Japan
Prior art keywords
pump
pressure
starting point
cam
here
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.)
Granted
Application number
JP3559379A
Other languages
Japanese (ja)
Other versions
JPS633154B2 (en
Inventor
Katsuo Tsukada
Sadafumi Onuma
Mitsuo Shimada
Ryuji Tao
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP3559379A priority Critical patent/JPS55128678A/en
Publication of JPS55128678A publication Critical patent/JPS55128678A/en
Publication of JPS633154B2 publication Critical patent/JPS633154B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Reciprocating Pumps (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)

Abstract

PURPOSE: To make it possible to perform non-pulsating, constant flow liquid transport, by a method wherein, in liquid chromatography, the rotational speed of a cam driving motor is inceased by a fixed number of times from the pressure drop starting point of a pump inner chamber of a pump and it is restored to the previous speed at the pressure rise starting point.
CONSTITUTION: In column chromatography, solvents A, B in solvent storages 1, 2 are drawn into mixing chamber 5 respectively via valves 3, 4. After they are mixed here, the mixture is sent under pressure by pump 6. It is sent under pressure to column 9 via pressure detector 7 and sample specimen introducing device 8. After passing here, it is discharged through detector 10. Here, valves 3, 4 and pump 6 are controlled by microcomputer 11. Pump 6 is provided with a pair of plungers 14, which are caused to make reciprocating motion by the rotation of cam 12. It detects the pressure drop and pressure rise starting points of pump inner chamber 24, and the rotational speed of motor 18 driving cam 12 is increased by a fixed number of times from the drop starting point.
COPYRIGHT: (C)1980,JPO&Japio
JP3559379A 1979-03-28 1979-03-28 Liquid chromatography Granted JPS55128678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3559379A JPS55128678A (en) 1979-03-28 1979-03-28 Liquid chromatography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3559379A JPS55128678A (en) 1979-03-28 1979-03-28 Liquid chromatography

Publications (2)

Publication Number Publication Date
JPS55128678A true JPS55128678A (en) 1980-10-04
JPS633154B2 JPS633154B2 (en) 1988-01-22

Family

ID=12446083

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3559379A Granted JPS55128678A (en) 1979-03-28 1979-03-28 Liquid chromatography

Country Status (1)

Country Link
JP (1) JPS55128678A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148958A (en) * 1982-02-27 1983-09-05 Shimadzu Corp Liquid delivery apparatus of high-speed liquid chromatograph
JPS58189957U (en) * 1982-06-14 1983-12-16 株式会社島津製作所 Liquid delivery device for liquid chromatograph
JPS62126347A (en) * 1985-09-18 1987-06-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Liquid chromatograph
JPS63101747A (en) * 1986-09-17 1988-05-06 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Liquid chromatograph
JPS63105285A (en) * 1986-10-22 1988-05-10 Hitachi Ltd Low pulsating flow pump
JPH01232261A (en) * 1988-03-11 1989-09-18 Hitachi Ltd Liquid chromatograph
JPH0530474U (en) * 1991-08-08 1993-04-23 株式会社アツギユニシア Plunger pump device
JPH05178294A (en) * 1992-01-08 1993-07-20 Mitsubishi Heavy Ind Ltd Space apparatus control device
DE19503360B4 (en) * 1994-02-03 2005-07-07 Hitachi, Ltd. Pump and method for controlling a pump
US8123496B2 (en) 2005-10-19 2012-02-28 Hitachi High-Technologies Corporation Two-unit pump for liquid chromatograph with flow sensor arrangement
WO2022224577A1 (en) * 2021-04-19 2022-10-27 株式会社日立ハイテク Liquid chromatograph and liquid chromatograph control method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3172429B2 (en) * 1996-03-29 2001-06-04 株式会社日立製作所 Liquid chromatograph

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0225463B2 (en) * 1982-02-27 1990-06-04 Shimadzu Corp
JPS58148958A (en) * 1982-02-27 1983-09-05 Shimadzu Corp Liquid delivery apparatus of high-speed liquid chromatograph
JPS58189957U (en) * 1982-06-14 1983-12-16 株式会社島津製作所 Liquid delivery device for liquid chromatograph
JPS62126347A (en) * 1985-09-18 1987-06-08 エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン Liquid chromatograph
JPS63101747A (en) * 1986-09-17 1988-05-06 フィリップス　エレクトロニクス　ネムローゼ　フェンノートシャップ Liquid chromatograph
JPS63105285A (en) * 1986-10-22 1988-05-10 Hitachi Ltd Low pulsating flow pump
JPH01232261A (en) * 1988-03-11 1989-09-18 Hitachi Ltd Liquid chromatograph
JPH06105246B2 (en) * 1988-03-11 1994-12-21 株式会社日立製作所 Liquid chromatograph
JPH0530474U (en) * 1991-08-08 1993-04-23 株式会社アツギユニシア Plunger pump device
JPH05178294A (en) * 1992-01-08 1993-07-20 Mitsubishi Heavy Ind Ltd Space apparatus control device
DE19503360B4 (en) * 1994-02-03 2005-07-07 Hitachi, Ltd. Pump and method for controlling a pump
US8123496B2 (en) 2005-10-19 2012-02-28 Hitachi High-Technologies Corporation Two-unit pump for liquid chromatograph with flow sensor arrangement
WO2022224577A1 (en) * 2021-04-19 2022-10-27 株式会社日立ハイテク Liquid chromatograph and liquid chromatograph control method

Also Published As

Publication number Publication date
JPS633154B2 (en) 1988-01-22

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