Solid phase extraction using composite sheet for direct measurem

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

1997-09-02

1999-04-06

McCamish, Marion

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

4283179, 442325, 442326, 442417, 427212, B32B 514

Patent

active

058915591

ABSTRACT:
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.

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