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GB1178226A - A chromatographic column with controlled heating. - Google Patents

A chromatographic column with controlled heating.

Info

Publication number
GB1178226A
GB1178226A GB3700968A GB3700968A GB1178226A GB 1178226 A GB1178226 A GB 1178226A GB 3700968 A GB3700968 A GB 3700968A GB 3700968 A GB3700968 A GB 3700968A GB 1178226 A GB1178226 A GB 1178226A
Authority
GB
United Kingdom
Prior art keywords
column
current
clamps
voltage
transductor
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
GB3700968A
Inventor
Stanislav Haderka
Jaroslav Janak
Josef Novak
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.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Priority to GB3700968A priority Critical patent/GB1178226A/en
Publication of GB1178226A publication Critical patent/GB1178226A/en
Expired legal-status Critical Current

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
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/30—Control of physical parameters of the fluid carrier of temperature
    • 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
    • G01N30/28—Control of physical parameters of the fluid carrier
    • G01N30/30—Control of physical parameters of the fluid carrier of temperature
    • G01N2030/3053—Control of physical parameters of the fluid carrier of temperature using resistive heating
    • G01N2030/3061—Control of physical parameters of the fluid carrier of temperature using resistive heating column or associated structural member used as heater

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

Abstract

1,178,226. Temperature control for chromatography columns. CESKOSLOVENSKA AKADEMIE VED. 2 Aug., 1968, No. 37009/68. Headings B1L and B1X. [Also in Divisions Gl and G3] Temperature control means for electrically conducting chromatography column 1 comprises a pair of current clamps 2, 6 and a pair of voltage clamps 7, 8. The column resistance, connected through the voltage clamps together with resistors 4, 5, 9, 10, 11 and 12, forms a double bridge so that, when the column temperature changes, causing a change in column resistance, power amplifier 16 amplifies the a.c. which appears across junctions 14, 15. This current is rectified and transmitted through transductor 18 thereby controlling the primary voltage of transformer 3, and hence the heating current, passed by current clamps 2, 6 to column 1. If desired, the output of amplifier 16 may also be made to control other regulating elements, e.g. thyristors or thyratrons, as well as transductor 18, and the resistors in the double bridge may be replaced by impedances.
GB3700968A 1968-08-02 1968-08-02 A chromatographic column with controlled heating. Expired GB1178226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3700968A GB1178226A (en) 1968-08-02 1968-08-02 A chromatographic column with controlled heating.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3700968A GB1178226A (en) 1968-08-02 1968-08-02 A chromatographic column with controlled heating.

Publications (1)

Publication Number Publication Date
GB1178226A true GB1178226A (en) 1970-01-21

Family

ID=10392982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3700968A Expired GB1178226A (en) 1968-08-02 1968-08-02 A chromatographic column with controlled heating.

Country Status (1)

Country Link
GB (1) GB1178226A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311061U1 (en) * 1993-07-23 1993-10-28 Ech Elektrochemie Halle Gmbh, 06120 Halle Device for thermostatting gas chromatographic separation columns
EP1154271A1 (en) * 2000-05-08 2001-11-14 Nagoya Institute Of Technology Temperature control for conductive member
EP2112507A1 (en) * 2008-04-25 2009-10-28 Varian B.V. Apparatus and method for direct resistive heating of conduits

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9311061U1 (en) * 1993-07-23 1993-10-28 Ech Elektrochemie Halle Gmbh, 06120 Halle Device for thermostatting gas chromatographic separation columns
EP1154271A1 (en) * 2000-05-08 2001-11-14 Nagoya Institute Of Technology Temperature control for conductive member
US6661241B2 (en) 2000-05-08 2003-12-09 Nagoya Institute Of Technology Temperature control for conductive member
EP2112507A1 (en) * 2008-04-25 2009-10-28 Varian B.V. Apparatus and method for direct resistive heating of conduits

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