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On-line high performance liquid chromatography — multidimensional gas chromatography and its application to the determination of stilbene hormones in corned beef

✍ Scribed by Chappell, Colin G. ;Creaser, Colin S. ;Shepherd, Martin J.

Publisher
John Wiley and Sons
Year
1993
Tongue
English
Weight
425 KB
Volume
16
Category
Article
ISSN
0935-6304

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✦ Synopsis

Abstract

The combination of high performance liquid chromatography interfaced on‐line with multidimensional gas chromatography (HPLC–GC–GC) is described. The HPLC column was interfaced to the GC via an on column interface, with automated pneumatic control of solvent evaporation and GC column switching. Cryogenic cold trapping was used for analyte focusing at the head of the first, non‐polar GC capillary column and optionally at the head of the second, polar column. The determination of stilbene hormones in corned beef as their methylated derivatives by flame ionization detection is described.

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