G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 30/00 (2006.01) G01N 1/40 (2006.01) G01N 13/00 (2006.01)
Patent
CA 2389726
This invention relates to a method and apparatus of determining the concentration of analytes in sample using an extraction device whereby the concentration of analytes of interest can be determined from the diffusion coefficient for said analytes. Various designs of the extraction devices are considered including fibres, membranes, coated vessels and stirring mechanisms. To facilitate well-defined boundary layer, agitation means are incorporated in the design of the devices.
La présente invention concerne un procédé et un appareil de détermination de la concentration des analytes dans un échantillon en utilisant un dispositif d'extraction dans lequel la concentration des analytes d'intérêt peut être déterminée à partir du coefficient de diffusion desdits analytes. La présente décrit les diverses conceptions des dispositifs d'extraction, y compris les fibres, les membranes, les vaisseaux enduits et les mécanismes de brassage. Afin de faciliter l'obtention d'une couche limite bien définie, des moyens d'agitation sont incorporés dans la conception des dispositifs.
Na
Pawliszyn Janusz
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