METHOD OF PREPARATION OF SAMPLES FOR ANALYSIS AND

专利名称：METHOD OF PREPARATION OF SAMPLES

FOR ANALYSIS AND CARTRIDGE THEREFOR

发明人：CHEN, Gong申请号：EP10737933.1申请日：20100804公开号：EP2462421A1公开日：20120613

摘要：A method of preparing an aqueous sample for use in an analytical process, thesample comprising at least one water-soluble analyte derived from a foodstuff, themethod comprising the steps of : (a) providing a solid-phase extraction cartridgecomprising first and second sorbent materials arranged to absorb thereon differentrespective chemical components, the cartridge comprising a chamber containing the firstand second sorbent materials and having an inlet and an outlet; (b) flowing through theinlet an aqueous sample comprising at least one water-soluble analyte derived from afoodstuff and impurities, thereby to dispose the sample within at least one of the firstand second sorbent materials; (c) flowing through the inlet a washing liquid so as at leastpartially to separate the at least one water-soluble analyte and the impurities and (d)eluting the at least one water-soluble analyte from the outlet of the cartridge.

申请人：Frito-Lay Trading Company GmbH

地址：Spitalgasse 2 3011 Bern CH

国籍：CH

代理机构：Jenkins, Peter David

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