et

kataromeeter

1 substantive

Terminological databases

EKI terminibaas Esterm

ID 724451 Last modified 29.10.2014
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Domain analytical chemistrymeasuring instruments
kataromeeter
katharometer
thermal conductivity detector
TCD
katharometer detector
  • an instrument for comparing the thermal conductivities of two gases by comparing the rate of loss of heat from two heating coils surrounded by the gases
kataromeeter
Usage examples
  • Aerosoolproovide puhul kasutada detektorina kataromeetrit.
soojusjuhtivusdetektor
katharometer
thermal conductivity detector
TCD abbreviation
katharometer detector
Usage examples
  • 6.2. Gas chromatography 6.2.1. For aerosol samples the katharometer detector is used
catharometer detector
Usage examples
  • As an alternative a gas chromatograph employing a catharometer detector (working on the principle of thermal conductivity changes) may be used.

Metroloogia terminibaas

ID 619458 Last modified 16.01.2024
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Domain metrologymeasuring instruments
soojusjuhtivusmõõtur preferred
kataromeeter deprecated
thermal conductivity detector preferred
  • mõõtevahend gaasisegu koostise kindlaksmääramiseks soojusjuhtivuse mõõtmise teel, mida on ka kasutatud põhiainevahetuskiiruse mõõtmiseks, mõõtes süsinikdioksiidi tootmise kiirust väljahingatud õhu koostise põhjal
  • apparatus for determining the composition of a gas mixture by measuring thermal conductivity that has been used to determine the basal metabolic rate by measuring the rate of production of carbon dioxide based on the composition of expired air
soojusjuhtivusmõõtur preferred
Usage examples
  • Soojusjuhtivusmõõtur tajub elundi pikkusel soojusjuhtivuse muutusi ja võrdleb seda tugigaasi võrdlusvooga ja kuna enamiku elundite soojusjuhtivus on palju väiksem kui heeliumi või vesiniku tugigaasidel, siis kui analüüt eraldub elundist, väheneb elundi soojusjuhtivus ja tekib tuvastatav signaal.
kataromeeter deprecated
Good to know
  • Meeter on pikkusühik.
thermal conductivity detector preferred
Usage examples
  • The thermal conductivity detector senses changes in the thermal conductivity of the column eluent and compares it to a reference flow of carrier gas. Since most compounds have a thermal conductivity much less than that of the common carrier gases of helium or hydrogen, when an analyte elutes from the column the effluent thermal conductivity is reduced, and a detectable signal is produced.
catharometer

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