61
GCCOLUMNS |
GC
X
GC
Comprehensive GC
GCxGCSecondDimensionSelectivityKit
The selectivitykit contains fourcolumnsof different selectivity formethoddevelopment.
Includes one eachof the following:
• Rxi®-17, 50%diphenyl dimethylpolysiloxane
• Rtx®-CLPesticides, trifluoropropyl containingpolymer
• Stabilwax®, polar polyethylene glycol
• Rt®-LC350, liquid crystalline phase selective for aromatic compounds
FragranceAllergensonRxi®-1ms&Rxi®-17 (GCxGC)
1. limonene
2. 1-fluoronaphthalene
3. benzyl alcohol
4. phenyl acetaldehyde
5. eucalyptol
6. linalool
7. camphor
8. methyl-2-octynoate
9. estragole
10. citronellol
11. citral 1
12.
trans
-cinnamaldehyde
13. geraniol
14. citral 2
15. anise alcohol
16. hydroxycitronellol
17. safrole
18. cinnamyl alcohol
19. methyl-2-nonynoate
20. eugenol
21. methyl eugenol
22. coumarin
23. hydroxycitronellol
contaminant
24. isoeugenol
25.
α
-isomethyl ionone 1
26. lilial
27.
α
-isomethyl ionone 2
28. amyl cinnamal
29. lyral 1
30. lyral 2
31. amylcinnamyl alcohol 1
32. amylcinnamyl alcohol 2
33. farnesol 1
34. farnesol 2
35. hexyl cinnamal 1
36. benzyl benzoate
37. hexyl cinnamal 2
38. benzyl salicylate
39. benzyl cinnamate
GC_FF01010
GC_FF01011
Columns:
Rxi
®
-1ms, 30m, 0.25mm ID, 0.25µm (cat.# 13323)
Rxi
®
-17, 1m, 0.10mm ID, 0.10µm (10m, cat.# 13501)
Sample:
fragrance allergens inMTBE
Instrument: LECO CorporationGCxGC/FIDwith quad-jet, dual-stage
modulator and secondary oven
Inj.:
0.2µL split (split ratio 1:200),
4mm laminar cup splitter (cat.# 20801)
Inj. temp.:
250°C
Carrier gas: helium, corrected constant flow via pressure ramps
Flow rate:
2mL/min.
Oven temp.: Rxi
®
-1ms: 40°C (hold 1min.) to 240°C@ 4°C/min.
Rxi
®
-17: 45°C (hold 1min.) to 245°C@ 4°C/min.
Modulation: modulator temperature offset: 20°C
second dimension separation time: 3 sec.
hot pulse time: 0.8 sec.
cool time between stages: 0.7 sec.
Det.:
FID@ 300°C
makeup flow+ column flow: 50mL/min.
hydrogen: 40mL/min.
air: 450mL/min.
data collection rate: 200Hz
Description
qty.
cat.#
price
GCxGC SecondDimension Selectivity Kit
kit
15105
Columns can also be purchased individually.
Rxi-17, 1.1m (±3cm), 0.10mmID, 0.10µm
ea.
15104
Rtx-CLPesticides, 1.1m (±3cm), 0.10mmID, 0.10µm
ea.
15103
Stabilwax, 1.1m (±3cm), 0.10mmID, 0.10µm
ea.
15102
Rt-LC350, 1.1m (±3cm), 0.15mmID, 0.10µm
ea.
15101
Website :
E-mail :
TelNo : 03 9762 2034 . . . inAUSTRALIA
Mar 2011
