AT367201B - SWITCHING DEVICE WITH A BRANCHING PIECE BETWEEN TWO GASCHROMATOGRAPHIC SEPARATING COLUMNS - Google Patents

SWITCHING DEVICE WITH A BRANCHING PIECE BETWEEN TWO GASCHROMATOGRAPHIC SEPARATING COLUMNS

Info

Publication number
AT367201B
AT367201B AT611079A AT611079A AT367201B AT 367201 B AT367201 B AT 367201B AT 611079 A AT611079 A AT 611079A AT 611079 A AT611079 A AT 611079A AT 367201 B AT367201 B AT 367201B
Authority
AT
Austria
Prior art keywords
gaschromatographic
switching device
separating columns
branching piece
branching
Prior art date
Application number
AT611079A
Other languages
German (de)
Other versions
ATA611079A (en
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of ATA611079A publication Critical patent/ATA611079A/en
Application granted granted Critical
Publication of AT367201B publication Critical patent/AT367201B/en

Links

Classifications

    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N30/46—Flow patterns using more than one column
    • G01N30/461—Flow patterns using more than one column with serial coupling of separation columns
    • G01N30/465—Flow patterns using more than one column with serial coupling of separation columns with specially adapted interfaces between the columns
    • 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
    • G01N30/26—Conditioning of the fluid carrier; Flow patterns
    • G01N30/38—Flow patterns
    • G01N2030/382—Flow patterns flow switching in a single column
    • G01N2030/383—Flow patterns flow switching in a single column by using auxiliary fluid

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)
  • Sampling And Sample Adjustment (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
AT611079A 1978-09-18 1979-09-17 SWITCHING DEVICE WITH A BRANCHING PIECE BETWEEN TWO GASCHROMATOGRAPHIC SEPARATING COLUMNS AT367201B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782840612 DE2840612C2 (en) 1978-09-18 1978-09-18 Device for switching the flow direction in a branch piece between two gas chromatographic separation columns

Publications (2)

Publication Number Publication Date
ATA611079A ATA611079A (en) 1981-10-15
AT367201B true AT367201B (en) 1982-06-11

Family

ID=6049776

Family Applications (1)

Application Number Title Priority Date Filing Date
AT611079A AT367201B (en) 1978-09-18 1979-09-17 SWITCHING DEVICE WITH A BRANCHING PIECE BETWEEN TWO GASCHROMATOGRAPHIC SEPARATING COLUMNS

Country Status (2)

Country Link
AT (1) AT367201B (en)
DE (1) DE2840612C2 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3045654C2 (en) * 1980-12-04 1985-03-28 Carlo Erba Strumentazione S.p.A., Rodano, Milano Device for connecting pneumatic and / or hydraulic circuits in separation technology
DE3117173C2 (en) * 1981-04-30 1989-11-23 Bodenseewerk Perkin-Elmer & Co GmbH, 7770 Überlingen Arrangement for connecting the column ends of two capillary columns
DE3707488A1 (en) * 1987-03-09 1988-09-22 Siemens Ag BRANCHING PIECE FOR THE GAS FLOW SWITCHING BETWEEN TWO GAS CHROMATOGRAPHIC CAPILLAR PILLARS
DE3863891D1 (en) * 1987-10-08 1991-08-29 Givaudan & Cie Sa DEVICE FOR BRANCHING GAS FLOWS.
WO1990009585A1 (en) * 1989-02-16 1990-08-23 Siemens Aktiengesellschaft Process and device for controlling the carrier gas pressure in a valveless separating column circuit in gas chromatography
DE8910089U1 (en) * 1989-08-23 1989-10-05 Carlo Erba Instruments, 6238 Hofheim Control device for gas flows in a gas chromatograph
DE19843942C1 (en) * 1998-09-24 2000-03-16 Siemens Ag Gas flow change over and control unit for chromatographic columns comprises series of interconnecting passages of graduated and accurately controlled sizes etched into silicon plates, connected to capillaries and pressure regulation
WO2003083467A2 (en) * 2002-03-28 2003-10-09 Siemens Aktiengesellschaft Gas chromatograph and method for analysing a mixture of substances by gas chromatography
US8426215B2 (en) 2002-03-28 2013-04-23 Siemens Aktiengesellschaft Gas chromatograph and method for analyzing a mixture of substances by gas chromatography
CN1313823C (en) * 2004-12-27 2007-05-02 天津大学 Apparatus and process for improving detection sensitivity by modulating outlet pressure or flow of chromatographic column
DE102008061157B3 (en) 2008-12-09 2010-02-11 Siemens Aktiengesellschaft Gas chromatograph
CN106404968B (en) * 2016-08-31 2018-03-16 许继集团有限公司 A kind of gas circuit connector

Also Published As

Publication number Publication date
DE2840612C2 (en) 1986-12-18
ATA611079A (en) 1981-10-15
DE2840612A1 (en) 1980-03-27

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Legal Events

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ELJ Ceased due to non-payment of the annual fee