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www.restek.comGC COLUMNS |
GENERAL-PURPOSE COLUMNS
Rtx®-5MS
Food Packaging Volatiles by Purge & Trap GC-MS on Rtx®-5MS
GC_FF00462
Column
Rtx®-5MS, 30 m, 0.25 mm ID, 1.00 µm
(cat.# 12653)
Sample
Overwrap, inner bowl
Injection
Purge and trap split (split ratio 20:1)
Liner:
1 mm ID
Inj. Temp.:
250 °C
Purge and Trap
Instrument:
Tekmar LSC-3100 purge & trap
Trap Type:
Vocarb 3000, type K
Purge:
10 min @ 60 °C, flow 40 mL/min
Dry Purge:
3 min, flow 40 mL/min
Desorb Preheat
Temp.:
220 °C
Desorb:
2 min @ 245 °C, flow 40 mL/min
Bake:
6 min @ 230 °C
Interface
Connection:
Injection port
Transfer Line
Tubing:
Siltek®/Sulfinert® tubing (cat.# 22501)
Oven
Oven Temp.:
50 °C to 92 °C at 3 °C/min to 220 °C at
20 °C/min (hold 1 min)
Carrier Gas
He, constant flow
Flow Rate:
1 mL/min
Linear Velocity:
36 cm/sec
Detector
MS
Mode:
Scan
Source Temp.:
280 °C
Electron Energy: EI @ 70 eV
Scan Range:
35-260 amu
Instrument
HP6890 GC & 5973 MSD
Peaks
1. Ethyl acetate
2. Toluene
3. 4-Heptanone
4.
n
-Butyl ether
5. Styrene
6. Alkanes
Rtx®-5MS Structure
CH
3
CH
3
Si
95%
O
Si
5%
O
similar
phases
DB-5, HP-5, HP-5MS, Ultra-2, SPB-5,
CP-Sil 8 CB, ZB-5
Rtx®-5MS with Integra-Guard® Columns
Description
qty.
cat.#
price
15 m, 0.25 mm ID, 0.25 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12620-124
15 m, 0.25 mm ID, 0.50 µm Rtx-5MS w/10 m Integra-Guard Column
ea.
12635-127
30 m, 0.25 mm ID, 0.10 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12608-124
30 m, 0.25 mm ID, 0.25 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12623-124
30 m, 0.25 mm ID, 0.25 µm Rtx-5MS w/10 m Integra-Guard Column
ea.
12623-127
30 m, 0.25 mm ID, 0.50 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12638-124
30 m, 0.25 mm ID, 0.50 µm Rtx-5MS w/10 m Integra-Guard Column
ea.
12638-127
30 m, 0.32 mm ID, 0.25 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12624-125
30 m, 0.32 mm ID, 1.00 µm Rtx-5MS w/5 m Integra-Guard Column
ea.
12654-125
Get the protection without the connection!
Integra-Guard® Built-In Guard Column
Rtx®-5MS—Low-Bleed GC-MS Columns
(fused silica)
(low-polarity phase; Crossbond® diphenyl dimethyl polysiloxane)
• General purpose columns for drugs, solvent impurities, pesticides, hydrocarbons,
PCB congeners (e.g., Aroclor mixes), essential oils, semivolatiles.
• Column specifically tested for low-bleed performance.
• Temperature range: -60 °C to 350 °C.
• Equivalent to USP G27 and G36 phases.
Note: The DB-5MS is a silarylene-based polymer equivalent to the Rxi-5Sil MS.
*Maximum temperatures listed are for shorter length columns. Longer columns may have a different maximum temperature.
15-Meter
30-Meter
60-Meter
ID
df
temp. limits
cat.#
price
cat.#
price
cat.#
price
0.25 mm 0.10 µm -60 to 330/350 °C 12605
12608
12611
0.25 µm -60 to 330/350 °C 12620
12623
12626
0.50 µm -60 to 330/350 °C 12635
12638
12641
1.00 µm -60 to 325/350 °C 12650
12653
0.32 mm 0.10 µm -60 to 330/350 °C 12606
12609
0.25 µm -60 to 330/350 °C 12621
12624
12627
0.50 µm -60 to 330/350 °C
12639
12642
1.00 µm -60 to 325/350 °C
12654
0.53 mm 0.50 µm -60 to 320/340 °C 12637
12640
1.00 µm -60 to 320/340 °C 12652
12655
1.50 µm -60 to 310/330 °C 12667
12670
We carefully manage inventory so we have
what you need when you need it.