Page 225 - Multidimensional Chromatography

Foods, Flavours and Fragrances Applications 219

employing the heart- Reference 3 0.2 mm 4 0.2 mm 5 0.23 mm 6 0.23 mm 7 0.23 mm 8 0.23 mm
Applications of MDGC reported by Mosandl and his co-workers. These were developed by using a Siemens SiChromat 2 double-oven

coupling piece, i.d.) coated with heptakis (3-O- acetyl-2,6-di-O-pentyl)- - i.d.) coated with heptakis (3-O- acetyl-2,6-di-O-pentyl)- - i.d.) coated with heptakis (2,3,6-tri-O-methyl)- -cyclodextrin m i.d.) coated with heptakis (2,3,6- tri-O-ethyl)- -cyclodextrin (33% in m i.d.) coated with heptakis (2,3,6- tri-O-ethyl)- -cyclodextrin (33% i.d.) coated with heptakis (2,3,6- tri-O-methyl)- -cyclodextrin

two flame-ionization detectors and a ‘live switching’
Main column Glass capillary column (38 m cyclodextrin Glass capillary column (38 m cyclodextrin Glass capillary column (47 m (10% in OV-1701-vinyl) Glass capillary column (38 OV-1701-vinyl) Glass capillary column (38 in OV-1701-vinyl) Glass capillary column (47 m (10% in OV-1701-vinyl)

0.25 mm i.d.; 1 m m 0.25 mm i.d; 1 m 0.32 mm i.d; 0.25 m 0.23 mm 0.32 mm i.d.) coated with a 0.23 mm 0.32 mm i.d.;
Fused silica retention gap (10 m 0.25 mm i.d.) coupled to a DB-1701 1 mfilm thickness) Fused silica retention gap (10 0.25 mm i.d.) coupled to a DB-1701 Fused silica Supelcowax TM 10capillary Restriction capillary (25 m i.d.) coupled to a glass capillary column, 18.8% solution of PS-255 and 1.5% dicumyl peroxide. Duran glass capillary (25 m i.d.) coupled to a Superox 0.6 (0.25 m) glass capillary column 0.32 mm

Pre-column column (15 m column (15 m film thickness) -pinene column (60 m film thickness) (25 m (27 m column (60 m

system with two independent temperature controls,

Enantiomeric distribution of -lactone homologues from different apricot cultivars. Identification of dihydro- actinidiolide (co-eluted with -C11 on Determination of chiral- -lactones from raw flavour extract of strawberries and other- fruit-containing foods and beverages Determination of chiral -pinene, and limonene in essential oils and plant Stereoanalysis of 2-alkyl-branched acids, esters and alcohols in apple aroma Stereoanal

Table 10.1 cutting technique Application DB-1701) extracts concentrate