FOODS, FLAVORS, & FRAGRANCES
36
Phone: 800-356-1688 or 814-353-1300
GC Columns
Rt-2560
(biscyanopropyl polysiloxane)
Rt-2560 (biscyanopropylpolysiloxane)
• Application-specific column, designed for aseparating
cis
and
trans
FAMEs.
• Thermally stable to250°C.
• Polarity similar to SP-2560phase.
ID
df (µm)
temp. limits
100-Meter
0.25mm 0.20
20 to 250°C
13199
$1075
(2,3-di-O-ethyl-6-O-
tert
-butyl dimethylsilyl beta cyclodextrin doped into 14% cyanopropylphenyl/86% dimethyl polysiloxane)
Uses: Similar in performance to Rt-
β
DEXsm
™
but provides better resolution for limonene, linalool, linalyl acetate,
ethyl-2-methylbutyrate, 2,3-butane diol.
Rt-
β
DEXse™(fusedsilica)
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
40 to 230°C
13107
$610
0.32mm 0.25
40 to 230°C
13106
$640
(2,3-di-O-propyl-6-O-
tert
-butyl dimethylsilyl beta cyclodextrin doped into 14% cyanopropylphenyl/86% dimethyl polysiloxane)
Uses: Often useful in dual-column configurations, with the Rt-
β
DEXsm
™
column, for complex enantiomeric separations.
Rt-
β
DEXsp™(fusedsilica)
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
40 to 230°C
13111
$610
0.32mm 0.25
40 to 230°C
13110
$640
(2,3-di-acetoxy-6-O-
tert
-butyl dimethylsilyl beta cyclodextrin doped into 14% cyanopropylphenyl/86% dimethyl polysiloxane)
Uses: Unique selectivity for esters and lactones, and other fruit flavor components.
Rt-
β
DEXsa™(fusedsilica)
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
40 to 230°C
13109
$610
0.32mm 0.25
40 to 230°C
13108
$640
(Proprietary cyclodextrinmaterial doped into 14% cyanopropylphenyl/86% dimethyl polysiloxane)
Uses:This proprietary stationary phasewas developed specifically for the fragrance industry, and also has been used for
pharmaceutical applications.
Rt-
β
DEXcst™(fusedsilica)
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
40 to 230°C
13103
$610
0.32mm 0.25
40 to 230°C
13102
$640
(2,3-di-O-methyl-6-O-
tert
-butyl dimethylsilyl beta cyclodextrin doped into 14% cyanopropylphenyl/86% dimethyl polysiloxane)
Uses: Excellent column formost components of essential oils.
Rt-
β
DEXsm™(fusedsilica)
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
40 to 230°C
13105
$610
0.32mm 0.25
40 to 230°C
13104
$640
free
literature
FREE applications notes to
assist youwith your analysis.
Request your copies today!
•Grape Flavor Analysis,
Using anRt-
γ
DEXsa
™
GC
Column (lit. cat.# 59553)
•GCAnalysis of Chiral Flavor
Compounds inApple Juices,
UsingRt-ßDEXsm
™
and
Rt-ßDEXse
™
Columns
(lit. cat.# 59546)
