GC Columns
FOODS, FLAVORS,
& FRAGRANCES
33
Phone: 800-356-1688 or 814-353-1300
Rtx®-225 (fusedsilica)
(Crossbond
®
50% cyanopropylmethyl/50% phenylmethyl polysiloxane)
Rtx®-225 (Crossbond®50%cyanopropylmethyl /50%phenylmethylpolysiloxane)
• General-purpose polar phase, ideal for FAMEs, carbohydrates, sterols, flavor compounds.
• Thermally stable to240°C.
• Polarity similar toDB-225,HP-225phases.
• Equivalent toUSPG7,G19phases.
ID
df (µm)
temp. limits*
15-Meter
30-Meter
60-Meter
0.25mm 0.10
40 to 220/240°C
14005
$240
14008
$405
0.25
40 to 220/240°C
14020
$230
14023
$395
14026
$705
0.50
40 to 220/240°C
14035
$230
14038
$395
14041
$705
0.32mm 0.10
40 to 220/240°C
14006
$260
14009
$435
0.25
40 to 220/240°C
14021
$250
14024
$425
14027
$765
0.50
40 to 220/240°C
14036
$250
14039
$425
14042
$765
1.00
40 to 200/220°C
14051
$250
14054
$425
14057
$765
0.53mm 0.10
40 to 200/220°C
14007
$275
14010
$485
0.25
40 to 200/220°C
14022
$275
14025
$485
0.50
40 to 200/220°C
14037
$275
14040
$485
14043
$830
1.00
40 to 200/220°C
14052
$275
14055
$485
14058
$830
FAMEWAX™(fusedsilica)
(Crossbond
®
polyethylene glycol)
FAMEWAX™(Crossbond®polyethyleneglycol)
• Application-specific column, designed for FAMEs.
• Specially testedwithFAMEmixture.
• Thermally stable to250°C.
• Polarity similar toOmegawaxphase.
ID
df (µm)
temp. limits
30-Meter
0.25mm 0.25
20 to 250°C
12497
$405
0.32mm 0.25
20 to 250°C
12498
$445
0.53mm 0.50
20 to 250°C
12499
$495
Rtx®-Wax (fusedsilica)
(Crossbond
®
Carbowax
®
polyethylene glycol)
*Maximum temperatures listed are for 15- and 30-meter lengths. Longer lengthsmay have a slightly reducedmaximum temperature.
Rtx®-Wax (Crossbond®Carbowax®polyethyleneglycol)
• General-purpose polar phase, ideal for FAMEs, flavor compounds.
• 20°Cminimumoperating temperature.
• Thermally stable to250°C.
• Polarity similar toDB-WAX,HP-Waxphases.
• Equivalent toUSPG14,G15,G16,G20,G39phases.
ID
df (µm)
temp. limits*
15-Meter
30-Meter
60-Meter
0.25mm 0.10
20 to 250°C
12405
$260
12408
$395
0.25
20 to 250°C
12420
$250
12423
$395
12426
$705
0.50
20 to 250°C
12435
$250
12438
$395
12441
$705
0.32mm 0.10
20 to 250°C
12406
$275
12409
$435
0.25
20 to 250°C
12421
$265
12424
$425
12427
$765
0.50
20 to 250°C
12436
$265
12439
$425
12442
$765
1.00
20 to 240/250°C
12451
$265
12454
$425
12457
$765
0.53mm 0.25
20 to 250°C
12422
$285
12425
$485
0.50
20 to 250°C
12437
$285
12440
$485
12443
$790
1.00
20 to 240/250°C
12452
$285
12455
$485
12458
$790
ID
df (µm)
temp. limits
10-Meter
20-Meter
0.10mm 0.10
20 to 250°C
41601
$270
41602
$440
0.20
20 to 240/250°C
41603
$270
41604
$440
didyou
know
?
Siltek
®
/Sulfinert
®
and
Silcosteel
®
tubing& fittings
are ideal for transporting
active compounds such as
polar organics and sulfur
compounds.
