GAS ANALYZER

A gas analyzer having a compact and simple structure and having a high performance in separating components of a sample gas is provided. The gas analyzer according to the present invention includes a gas introduction unit including a gas introduction port for introducing a sample gas; a gas separati...

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Bibliographic Details
Main Authors KAWATA TOMOHISA, YAMANAKA MIKIHIRO, HARA KEITA, OTONASHI MIEKO
Format Patent
LanguageEnglish
Published 27.06.2013
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A gas analyzer having a compact and simple structure and having a high performance in separating components of a sample gas is provided. The gas analyzer according to the present invention includes a gas introduction unit including a gas introduction port for introducing a sample gas; a gas separation unit including a microcolumn for separating components of the sample gas supplied from the gas introduction unit; and a gas detection unit detecting a gas component separated by the gas separation unit. The microcolumn is provided with an internal channel having a wall surface modified by a stationary phase. This stationary phase is made of a polar material having a relative permittivity of not less than 10 at 30° C.
Bibliography:Application Number: US201013522232