SAMPLING DEVICES AND METHODS

A sampling device including a preconcentrator and a gas flow device, the preconcentrator including an adsorbent surface over which a sample gas is passed, the adsorbent surface being provided in the region of an orifice of the preconcentrator and the gas flow device being arranged to cause gas to fl...

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Bibliographic Details
Main Author TAYLOR, STEPHEN, JOHN
Format Patent
LanguageEnglish
French
Published 30.12.2009
Subjects
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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Summary:A sampling device including a preconcentrator and a gas flow device, the preconcentrator including an adsorbent surface over which a sample gas is passed, the adsorbent surface being provided in the region of an orifice of the preconcentrator and the gas flow device being arranged to cause gas to flow through the orifice and radially outward of the orifice. L'invention concerne un dispositif d'échantillonnage comprenant un pré-concentrateur et un dispositif à écoulement de gaz, le pré-concentrateur comprenant une surface adsorbante par-dessus laquelle on fait passer un échantillon gazeux, la surface adsorbante étant aménagée dans la région d'un orifice du pré-concentrateur et le dispositif à écoulement de gaz étant disposé de façon à faire s'écouler le gaz à travers l'orifice et radialement vers l'extérieur à partir de l'orifice.
Bibliography:Application Number: WO2009GB01623