GB2162765B - Multiple flow control device - Google Patents

Multiple flow control device

Info

Publication number
GB2162765B
GB2162765B GB8519865A GB8519865A GB2162765B GB 2162765 B GB2162765 B GB 2162765B GB 8519865 A GB8519865 A GB 8519865A GB 8519865 A GB8519865 A GB 8519865A GB 2162765 B GB2162765 B GB 2162765B
Authority
GB
United Kingdom
Prior art keywords
control device
flow control
multiple flow
flow
control
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
GB8519865A
Other versions
GB8519865D0 (en
GB2162765A (en
Inventor
Aftab Alam
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB8519865D0 publication Critical patent/GB8519865D0/en
Publication of GB2162765A publication Critical patent/GB2162765A/en
Application granted granted Critical
Publication of GB2162765B publication Critical patent/GB2162765B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/14—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to the introduction of the feed to the apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
    • B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
    • B01D15/1871—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns placed in series
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
    • G01N30/02—Column chromatography
    • G01N30/04—Preparation or injection of sample to be analysed
    • G01N30/24—Automatic injection systems
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
GB8519865A 1984-08-07 1985-08-07 Multiple flow control device Expired GB2162765B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8420103A GB8420103D0 (en) 1984-08-07 1984-08-07 Multiple liquids flow control device

Publications (3)

Publication Number Publication Date
GB8519865D0 GB8519865D0 (en) 1985-09-11
GB2162765A GB2162765A (en) 1986-02-12
GB2162765B true GB2162765B (en) 1988-05-05

Family

ID=10565032

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8420103A Pending GB8420103D0 (en) 1984-08-07 1984-08-07 Multiple liquids flow control device
GB8519865A Expired GB2162765B (en) 1984-08-07 1985-08-07 Multiple flow control device

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8420103A Pending GB8420103D0 (en) 1984-08-07 1984-08-07 Multiple liquids flow control device

Country Status (1)

Country Link
GB (2) GB8420103D0 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2174016A (en) * 1985-04-09 1986-10-29 John David Bagley Improvements in or relating to high performance liquid chromatography systems
FR2705582B1 (en) * 1993-05-25 1995-06-30 Commissariat Energie Atomique Automatic column chromatography treatment device and liquid detector usable in such a device.
SE0104412D0 (en) * 2001-12-21 2001-12-21 Trikonex Ab Flash chromatographic method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3446057A (en) * 1966-10-14 1969-05-27 Varian Associates Method and apparatus for chromatography
GB1295306A (en) * 1969-04-23 1972-11-08
US4032445A (en) * 1975-11-10 1977-06-28 Varian Associates Liquid chromatography pumping system with compensation means for liquid compressibility
US3985019A (en) * 1975-11-10 1976-10-12 Boehme Detlef R Liquid chromatography system with solvent proportioning
EP0094969A1 (en) * 1981-12-07 1983-11-30 Beckman Instruments, Inc. Method for eluting samples through a chromatographic column

Also Published As

Publication number Publication date
GB8519865D0 (en) 1985-09-11
GB2162765A (en) 1986-02-12
GB8420103D0 (en) 1984-09-12

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee