GB1509512A - Method of obtaining a predetermined temperature of a metal foil arranged in a pyrolysis chamber by way of non-destructive measurement of temperature - Google Patents

Method of obtaining a predetermined temperature of a metal foil arranged in a pyrolysis chamber by way of non-destructive measurement of temperature

Info

Publication number
GB1509512A
GB1509512A GB395976A GB395976A GB1509512A GB 1509512 A GB1509512 A GB 1509512A GB 395976 A GB395976 A GB 395976A GB 395976 A GB395976 A GB 395976A GB 1509512 A GB1509512 A GB 1509512A
Authority
GB
United Kingdom
Prior art keywords
temperature
resistance
foil
metal foil
pyrolysis chamber
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
GB395976A
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 GB1509512A publication Critical patent/GB1509512A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/01—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using semiconducting elements having PN junctions
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
    • 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
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • G01N31/005—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods investigating the presence of an element by oxidation
    • 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
    • G01N30/06—Preparation
    • G01N30/12—Preparation by evaporation
    • G01N2030/125—Preparation by evaporation pyrolising
    • 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

Abstract

This method, which is used especially for gas chromatography, produces a predetermined temperature in the central region of a metal foil (12) situated in a pyrolysis chamber (11) by nondestructive temperature measurement, the pyrolysis chamber being kept at a constant reference temperature. The foil is heated by passing constant-amplitude current pulses through it, and the pulse amplitudes can be set by resistors. The metal foil (12) is heated to a first chosen temperature, at least some of the radiation emitted by the metal foil as a result of heating being directed at a photodiode. The temperature of the foil is given by the diode output and the resistance of the foil is simultaneously determined at the first chosen temperature. A resistance/temperature value determined at a second chosen temperature is used together with the resistance/temperature value at the first chosen temperature to produce a graphical representation in the form of a straight line (Figure 3). This line is used to determine the resistance at the predetermined temperature (TD) to be produced and the resistors which alter the amplitude are set so that the pulses heat the foil to the resistance value (RD) obtained from the graphical representation, the resistance being monitored by an instrument. If this resistance value (RD) has been reached, the central region of the foil is at the predetermined temperature (TD) to be produced. <IMAGE>
GB395976A 1975-02-06 1976-02-02 Method of obtaining a predetermined temperature of a metal foil arranged in a pyrolysis chamber by way of non-destructive measurement of temperature Expired GB1509512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7501304A SE385333B (en) 1975-02-06 1975-02-06 SET THAT VIA NON-DESTRUCTIVE TEMPERATURE SATURATION RECEIVE A PREDETERMED TEMPERATURE FOR A METAL SHEET ORGANIZED IN A PYROLY CHAMBER

Publications (1)

Publication Number Publication Date
GB1509512A true GB1509512A (en) 1978-05-04

Family

ID=20323612

Family Applications (1)

Application Number Title Priority Date Filing Date
GB395976A Expired GB1509512A (en) 1975-02-06 1976-02-02 Method of obtaining a predetermined temperature of a metal foil arranged in a pyrolysis chamber by way of non-destructive measurement of temperature

Country Status (5)

Country Link
JP (1) JPS5821701B2 (en)
CH (1) CH623135A5 (en)
DE (1) DE2604522C2 (en)
GB (1) GB1509512A (en)
SE (1) SE385333B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3516601A1 (en) * 1985-05-08 1986-11-13 Windmöller & Hölscher, 4540 Lengerich DEVICE FOR REGULATING THE TEMPERATURE OF WELDING TAPES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE362965B (en) * 1972-06-15 1973-12-27 I Ericsson

Also Published As

Publication number Publication date
DE2604522A1 (en) 1976-08-19
SE385333B (en) 1976-06-21
DE2604522C2 (en) 1985-06-13
JPS51104391A (en) 1976-09-16
CH623135A5 (en) 1981-05-15
JPS5821701B2 (en) 1983-05-02

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Legal Events

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

Effective date: 19950202