FR2270538B1 - - Google Patents

Info

Publication number
FR2270538B1
FR2270538B1 FR7415631A FR7415631A FR2270538B1 FR 2270538 B1 FR2270538 B1 FR 2270538B1 FR 7415631 A FR7415631 A FR 7415631A FR 7415631 A FR7415631 A FR 7415631A FR 2270538 B1 FR2270538 B1 FR 2270538B1
Authority
FR
France
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
FR7415631A
Other languages
French (fr)
Other versions
FR2270538A1 (en
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.)
INAFRANCE
Original Assignee
INAFRANCE
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 INAFRANCE filed Critical INAFRANCE
Priority to FR7415631A priority Critical patent/FR2270538A1/fr
Priority to DE19752520135 priority patent/DE2520135A1/de
Publication of FR2270538A1 publication Critical patent/FR2270538A1/fr
Application granted granted Critical
Publication of FR2270538B1 publication Critical patent/FR2270538B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B17/00—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00
    • F27B17/02—Furnaces of a kind not covered by any of groups F27B1/00 - F27B15/00 specially designed for laboratory use
    • 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
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1906—Control of temperature characterised by the use of electric means using an analogue comparing device
    • G05D23/1909—Control of temperature characterised by the use of electric means using an analogue comparing device whose output amplitude can only take two discrete values
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1919—Control of temperature characterised by the use of electric means characterised by the type of controller
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
    • G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
    • 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
    • G01N2030/3084—Control of physical parameters of the fluid carrier of temperature ovens

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Clinical Laboratory Science (AREA)
  • Biochemistry (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Temperature (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
FR7415631A 1974-05-06 1974-05-06 Enclosure for heating a chromatographic column - has insulated walls andribbed metal supports with embedded heaters Granted FR2270538A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7415631A FR2270538A1 (en) 1974-05-06 1974-05-06 Enclosure for heating a chromatographic column - has insulated walls andribbed metal supports with embedded heaters
DE19752520135 DE2520135A1 (de) 1974-05-06 1975-05-06 Ummantelung zum aufheizen oder abkuehlen eines gegenstandes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7415631A FR2270538A1 (en) 1974-05-06 1974-05-06 Enclosure for heating a chromatographic column - has insulated walls andribbed metal supports with embedded heaters

Publications (2)

Publication Number Publication Date
FR2270538A1 FR2270538A1 (en) 1975-12-05
FR2270538B1 true FR2270538B1 (enExample) 1977-03-04

Family

ID=9138502

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415631A Granted FR2270538A1 (en) 1974-05-06 1974-05-06 Enclosure for heating a chromatographic column - has insulated walls andribbed metal supports with embedded heaters

Country Status (2)

Country Link
DE (1) DE2520135A1 (enExample)
FR (1) FR2270538A1 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079568A1 (en) * 1981-11-16 1983-05-25 Kontron-Holding Ag Improvements in or relating to heating apparatus

Also Published As

Publication number Publication date
FR2270538A1 (en) 1975-12-05
DE2520135A1 (de) 1975-11-27

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Legal Events

Date Code Title Description
ST Notification of lapse