G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/40 (2006.01) G01N 1/34 (2006.01) G01N 30/00 (2006.01) G01N 33/18 (2006.01)
Patent
CA 2169438
A probe device for use in measuring trace quantities of a component in a liquid environment comprises: (i) a membrane (2) which is permeable to the component; and (ii) a layer of a material (4) capable of binding the component and arranged to receive material which has permeated through the membrane (2) from a face (6) thereof juxtaposed to the fluid environment. The membrane (2) may for example be a polyacrylamide gel and the material (4) an ion exchange resin. The device may be used, for example, for determining quantities of trace metals in an aqueous environment.
Dispositif de type sonde servant à mesurer les quantités traces d'un composant dans un environnement liquide, ce dispositif comprenant: (i) une membrane (2) perméable au composant; et (ii) une couche d'un matériau (4) pouvant se lier au composant, disposée de manière à recueillir le composant ayant filtré au travers de la membrane (2) depuis une face frontale (6) de celle-ci jouxtant l'environnement liquide. La membrane (2) peut être, par exemple, un gel polyacrylamide et le matériau (4) une résine échangeuse d'ions. On peut utiliser ce dispositif, par exemple, pour déterminer des quantités d'oligo-éléments dans un environnement aqueux.
Marks & Clerk
University Of Lancaster
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