Solid phase extraction using composite sheet for direct...

Details Solid phase extraction using composite sheet for direct... Solid phase extraction using composite sheet for direct...

B - Operations, Transporting

01

J

B01J 20/28 (2006.01) B01J 20/32 (2006.01) G01N 1/34 (2006.01) G01N 1/40 (2006.01)

Patent

CA 2202155

A method of radiochemical analysis comprises the steps of providing a solid phase extraction sheet material comprising ion-specific sorptive or reactive particles and a porous matrix as carrier for the particles, and providing a fluid including an ion-containing radiochemical analyte comprising the specific ion, contacting the sheet material with the fluid for a time sufficient for the particles to selectively extract the analyte from the fluid, and analyzing the sheet material in a direct mode for quantitative or qualitative data relating to the radiochemical analyte. Solid phase extraction sheet materials and methods for their preparation are also disclosed.

Un procédé d'analyse radiochimique consiste à utiliser un matériau en feuille pour extraction en phase solide, matériau qui comprend des particules réactives ou adsorbantes spécifiques d'un ion et une matrice poreuse servant de support pour ces particules, et à utiliser un fluide contenant un analyte radiochimique contenant l'ion spécifique, à mettre le matériau en feuille en contact avec ce fluide suffisamment longtemps pour que les particules extraient sélectivement l'analyte du fluide, et à analyser ce matériau en feuille en mode direct pour obtenir des données quantitatives et qualitatives liées à l'analyte radiochimique. On décrit aussi des matériaux en feuille pour extraction en phase solide et leurs procédés de préparation.

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