CH524141A - Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen - Google Patents

Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen

Info

Publication number
CH524141A
CH524141A CH1748870A CH1748870A CH524141A CH 524141 A CH524141 A CH 524141A CH 1748870 A CH1748870 A CH 1748870A CH 1748870 A CH1748870 A CH 1748870A CH 524141 A CH524141 A CH 524141A
Authority
CH
Switzerland
Prior art keywords
gases
determining
thermal conductivity
measuring cell
detector measuring
Prior art date
Application number
CH1748870A
Other languages
English (en)
Inventor
Feichtinger Heinrich Ing Ch Dr
Original Assignee
Feichtinger Heinrich Ing Ch Dr
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 Feichtinger Heinrich Ing Ch Dr filed Critical Feichtinger Heinrich Ing Ch Dr
Priority to CH1748870A priority Critical patent/CH524141A/de
Priority to DE19712156752 priority patent/DE2156752C3/de
Priority to US00201480A priority patent/US3768301A/en
Priority to IT31507/71A priority patent/IT941254B/it
Priority to FR717143369A priority patent/FR2116513B1/fr
Priority to GB5488071A priority patent/GB1344666A/en
Publication of CH524141A publication Critical patent/CH524141A/de

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
    • G01N30/62—Detectors specially adapted therefor
    • G01N30/64—Electrical detectors
    • G01N30/66—Thermal conductivity detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CH1748870A 1970-11-25 1970-11-25 Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen CH524141A (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CH1748870A CH524141A (de) 1970-11-25 1970-11-25 Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen
DE19712156752 DE2156752C3 (de) 1970-11-25 1971-11-16 DetektormeBzelle für Gasanalysengeräte zur Bestimmung der Wärmeleitfähigkeit von Gasen
US00201480A US3768301A (en) 1970-11-25 1971-11-23 Arrangement for determining the thermal conductivity of gases
IT31507/71A IT941254B (it) 1970-11-25 1971-11-23 Cellula misuratrice per dispositi vi di rilevamento per la determina zione della conduttivita termica di gas
FR717143369A FR2116513B1 (de) 1970-11-25 1971-11-24
GB5488071A GB1344666A (en) 1970-11-25 1971-11-25 Measuring cell for determining the heat conductivity of gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1748870A CH524141A (de) 1970-11-25 1970-11-25 Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen

Publications (1)

Publication Number Publication Date
CH524141A true CH524141A (de) 1972-06-15

Family

ID=4425789

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1748870A CH524141A (de) 1970-11-25 1970-11-25 Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen

Country Status (5)

Country Link
US (1) US3768301A (de)
CH (1) CH524141A (de)
FR (1) FR2116513B1 (de)
GB (1) GB1344666A (de)
IT (1) IT941254B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999338A (zh) * 2020-07-22 2020-11-27 中国科学院上海微系统与信息技术研究所 一种微型热导气体传感器

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981192A (en) * 1975-05-23 1976-09-21 Cambridge Filter Corporation Fluid pressure sensing apparatus
DE3502440A1 (de) * 1985-01-25 1986-07-31 Leybold-Heraeus GmbH, 5000 Köln Anordnung zur messung der waermeleitfaehigkeit von gasen
DE3940034A1 (de) * 1989-12-04 1991-06-06 Rosemount Gmbh & Co Verfahren und vorrichtung zur detektion von fluidischen, insbesondere gasfoermigen oder fluessigen medien, die nach dem prinzip der waermeleitfaehigkeit arbeiten
DE4005131C2 (de) * 1990-02-17 2001-07-19 Fisher Rosemount Gmbh & Co Ges Meßzelle für einen Wärmeleitfähigkeits-Analysator
US8762075B2 (en) * 2009-09-29 2014-06-24 Lawrence Livermore National Security, Llc Microcantilever-based gas sensor employing two simultaneous physical sensing modes
EP2933634A1 (de) * 2014-04-14 2015-10-21 Siemens Aktiengesellschaft Wärmeleitfähigkeitsdetektor
JP7259238B2 (ja) * 2018-09-13 2023-04-18 株式会社島津製作所 熱伝導度検出器およびそれを備えるガスクロマトグラフ

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2010995A (en) * 1930-12-17 1935-08-13 Mine Safety Appliances Co Gas testing
US3106088A (en) * 1960-04-25 1963-10-08 Du Pont Shielded resistor
US3304778A (en) * 1963-10-28 1967-02-21 Stuart Marvin Wooten Wind velocity sensor for sailboat
US3474660A (en) * 1966-02-17 1969-10-28 Hewlett Packard Co Thermal conductivity detector
US3592058A (en) * 1968-09-17 1971-07-13 Teledyne Inc Omnidirectional fluid velocity measuring device
US3621707A (en) * 1969-07-08 1971-11-23 Hewlett Packard Co Thermal conductivity detector assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111999338A (zh) * 2020-07-22 2020-11-27 中国科学院上海微系统与信息技术研究所 一种微型热导气体传感器

Also Published As

Publication number Publication date
FR2116513B1 (de) 1973-06-29
IT941254B (it) 1973-03-01
FR2116513A1 (de) 1972-07-13
DE2156752B2 (de) 1975-11-20
US3768301A (en) 1973-10-30
GB1344666A (en) 1974-02-06
DE2156752A1 (de) 1972-06-29

Similar Documents

Publication Publication Date Title
DK139281B (da) Måleapparatur med udtagelig målesonde.
DK340275A (da) Elektrokemiske gasdetektorer
AT330479B (de) Schlittenmikrotom
IT969279B (it) Dispositivo misuratore per la misu razione non distruttiva dello spes sore di rivestimenti elettricamente non conduttivi su sopporti elettri camente conduttivi
BE775121A (fr) Detecteur de temperature
CH490676A (de) Fluidik-Messgerät zur Bestimmung der Zusammensetzung von Gasen
AT322232B (de) Messelektrode
CH524141A (de) Detektormesszelle zur Bestimmung der Wärmeleitfähigkeit von Gasen
CH491375A (de) Verfahren zur Messung der Wärmeleitfähigkeit von Gasen und Flüssigkeiten
FI55730C (fi) Galvanisk cell foer bestaemning av syrehalten i ett fluidum med hoeg temperatur
IT961512B (it) Reagente per la determinazione della gamma glutamiltranspeptidasi
AT300392B (de) Längenmeßinstrument
IT968698B (it) Generatore elettrochimico e meto do per la sua realizzazione
AT367549B (de) Messzelle zum messen der elktrischen leitfaehigkeit von fluessigkeiten
AT330474B (de) Messanordnung zur bestimmung des vanadiumgehaltes
IT985359B (it) Dispositivo per la misura di flussi termici in strutture termicamente isolanti
CH549800A (de) Detektormesszelle zur bestimmung der waermeleitfaehigkeit von gasen.
CH421556A (de) Wärmeleitfähigkeitsmesszelle
CH508217A (de) Temperaturfühler an Leitfähigkeitsmesszellen
AT272273B (de) Meßelektrodenanordnung zur Bestimmung von in Flüssigkeiten gelösten Gasen
AT323445B (de) Temperaturanzeiger
AT316172B (de) Elektrisches Thermometer zur Messung von Oberflächentemperaturen
CH530004A (de) Nachweis- und Messverfahren mittels Markierungssubstanzen
IT1069983B (it) Dispositivo per misurare la concentrazione di soluzioni di elettrolito
CH528737A (de) Remissionsmessgerät zur photoelektrischen Auswertung von Teststreifen

Legal Events

Date Code Title Description
PL Patent ceased