Title:
分析用試料の調製方法およびそのカートリッジ
Document Type and Number:
Japanese Patent JP2013501231
Kind Code:
A
Abstract:
A method of preparing an aqueous sample for use in an analytical process, the sample comprising at least one water-soluble analyte derived from a foodstuff, the method comprising the steps of: (a) providing a solid-phase extraction cartridge comprising first and second sorbent materials arranged to absorb thereon different respective chemical components, the cartridge comprising a chamber containing the first and second sorbent materials and having an inlet and an outlet; (b) flowing through the inlet an aqueous sample comprising at least one water-soluble analyte derived from a foodstuff and impurities, thereby to dispose the sample within at least one of the first and second sorbent materials; (c) flowing through the inlet a washing liquid so as at least partially to separate the at least one water-soluble analyte and the impurities within the first and second sorbent materials; and (d) eluting the at least one water-soluble analyte from the outlet of the cartridge by flowing an elution liquid into the inlet.
Inventors:
Chen, Gong
Application Number:
JP2012523328A
Publication Date:
January 10, 2013
Filing Date:
August 04, 2010
Export Citation:
Assignee:
FRITO-LAY TRADING COMPANY GMBH
International Classes:
G01N30/06; G01N30/00; G01N30/04; G01N30/08; G01N30/32; G01N30/50; G01N30/60; G01N30/88
Foreign References:
| US20040180129A1 | 2004-09-16 | |||
| US6541273B1 | 2003-04-01 |
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Atsushi Honda
Makoto Onda
Atsushi Honda