52
GC COLUMNS |
GENERAL PURPOSE COLUMNS
Rtx®-50, Rtx®-65
crossbond®
technology
reduces bleed, prolongs column lifetime, and
allows rejuvenation through solvent rinsing.
CH
3
CH
3
Si
35%
O
Si
65%
O
Rtx
®
-65 Structure
also
available
Metal MXT® Columns
Rugged, flexible, Siltek® treated stainless steel
tubing; inertness comparable to fused silica
tubing. See
page 117
for our MXT®-65
columns.
Rtx
®
-50 Structure
CH
3
Si
100%
O
also
available
Metal MXT® Columns
Rugged, flexible, Siltek® treated stainless steel
tubing; inertness comparable to fused silica
tubing. See
page 117
for our MXT®-50
columns.
also
available
Rtx®-65TG Columns
Tested specifically for triglycerides.
See
page 72.
similar
phases
HP-50, SPB-50, SP-2250
Rtx®-50 Columns
(fused silica)
(midpolarity phase; Crossbond® 50% phenyl/50% methyl polysiloxane)
• General purpose columns for pesticides, herbicides, rosin acids, phthalate esters,
triglycerides, sterols.
• Temperature range: 40 °C to 320 °C.
• Equivalent to USP G3 phase.
The high thermal stability of Rtx®-50 columns makes possible dual-column analysis
with common phases such as Rtx®-1MS or Rtx®-5MS. Between analyses, high temper-
atures can be used to drive less volatile contaminants off of the column.
similar
phases
TAP-CB, 400-65HT, 007-65HT
Rtx®-65 Columns
(fused silica)
(mid to high polarity phase; Crossbond® 65% diphenyl/35% dimethyl polysiloxane)
• General purpose columns for phenols, fatty acids.
• Temperature range: 50 °C to 300 °C.
• Equivalent to USP G17 phase.
The Rtx®-65 phase contains the highest phenyl content of any bonded stationary phase
available, to improve separation of aromatic compounds through increased phase-ana-
lyte interaction. A unique polarity makes these columns ideal for a variety of analyses,
from phenols to FAMEs. As a confirmation column for EPA Method 604 phenols, an
Rtx®-65 column produces a different elution order, compared to the primary Rtx®-5
column. Rtx®-65 columns elute FAMEs according to equivalent chain length, similar to
bonded Carbowax® columns, but the Rtx®-65 phase does not suffer the thermal stabil-
ity limitations of other polar stationary phases.
ID
df
temp. limits
15-Meter
30-Meter
0.25mm 0.25µm 40 to 300/320°C
10520
10523
0.50µm 40 to 290/310°C
10535
10538
1.00µm 40 to 280/300°C
10550
10553
0.32mm 0.25µm 40 to 300/320°C
10521
10524
0.50µm 40 to 290/310°C
10536
10539
1.00µm 40 to 280/300°C
10551
10554
0.53mm 0.25µm 40 to 280/300°C
10522
0.50µm 40 to 270/290°C
10537
10540
0.83µm 40 to 270/290°C
10569
1.00µm 40 to 260/280°C
10552
10555
1.50µm 40 to 250/270°C
10567
10570
ID
df
temp. limits
10-Meter
20-Meter
0.18mm 0.20µm 40 to 310/330°C
40501
40502
0.40µm 40 to 300/320°C
40510
40511
ID
df
temp. limits
30-Meter
0.25mm 0.25µm
50 to 300°C
17023
0.50µm 50 to 280/300°C
17038
1.00µm 50 to 260/280°C
17053
0.32mm 0.25µm
50 to 300°C
17024
0.50µm 50 to 280/300°C
17039
1.00µm 50 to 260/280°C
17054
0.53mm 0.25µm 50 to 290/300°C
17025
0.50µm 50 to 270/290°C
17040
1.00µm 50 to 250/270°C
17055
Website :
E-mail :
TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
