Extraction material and method for determination of...

Details Extraction material and method for determination of... Extraction material and method for determination of...

B - Operations, Transporting

01

J

150/14, 252/34

B01J 20/10 (2006.01) G01N 33/493 (2006.01)

Patent

CA 2326399

A treated silica composition particularly useful for solid phase extraction in chemical analysis, the silica having both phenyl and propylsulfonic acid functional groups; a cartridge for extraction which comprises the treated silica; a column for extraction which comprises the treated silica; and a method for solid phase extraction which uses the silica composition. A method for analysis of gamma hydroxybutyric acid is also disclosed which uses the treated silica.

L'invention concerne une composition de silice traitée convenant particulièrement pour l'extraction en phase solide dans une analyse chimique. Cette silice possède à la fois des groupes fonctionnels phényle et acide propylsulfonique. L'invention concerne également une cartouche d'extraction et une colonne d'extraction comprenant cette silice traitée et un procédé d'extraction en phase solide utilisant cette composition de silice. L'invention concerne en outre un procédé permettant de diagnostiquer la présence d'acide gamma hydroxybutyrique et comprenant l'utilisation de cette silice traitée.

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