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GC COLUMNS | HIGH-PERFORMANCE Rxi® COLUMNS
Rxi®-17
Similar to: (50%-phenyl)-methylpolysiloxane
Rxi®-17 Columns (fused silica)
(midpolarity phase; Crossbond® diphenyl dimethyl polysiloxane)
• General-purpose columns for pesticides, herbicides, rosin acids, phthalate esters,
triglycerides, sterols.
• Temperature range: 40 °C to 320 °C.
Rxi®-17 Structure
CH3
CH3
Si
50%
O Si
50%
O
similar phases
HP-17, DB-17, DB-17ht, DB-608, ZB-50
6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
1
2
3
4
5
6
7
8
9
10 11 12
13
14
1516
17
18
19
20,21
22
23
24
25
26
13 14
15 16
19.50 20.00 20.50 21.00 21.50
Time (min)
Polycyclic Aromatic Hydrocarbons on Rxi®-17 column
GC_EV00925
Column Rxi®-17, 30 m, 0.25 mm ID, 0.25 µm (cat.# 13523)
Sample SV Calibration Mix #5 / 610 PAH Mix (cat.# 31011)
PAH Supplement Mix for Method 8100 (cat.# 31857)
1-methylnaphthalene (cat.# 31283)
2-methylnaphthalene (cat.# 31285)
Conc.: 20 µg/mL each component
Injection
Inj. Vol.: 1.0 µL pulsed splitless (hold 0.2 min)
Liner: Drilled Uniliner® (hole near top) (cat.# 21055)
Inj. Temp.: 300 °C
Pulse Pressure: 20 psi (137.9 kPa)
Pulse Time: 0.3 min
Purge Flow: 40 mL/min
Oven
Oven Temp.: 90 °C (hold 1.0 min) to 215 °C at 25 °C/min (hold 0.5 min)
to 235 °C at 4 °C/min (hold 0 min) to 280 °C at 15 °C/min
(hold 0 min) to 320 °C at 4 °C/min (hold 20 min)
Carrier Gas He, constant flow
Flow Rate: 1.2 mL/min
Detector MS
Mode: Scan
Analyzer Type: Quadrupole
Solvent Delay Time: 4.0 min
Tune Type: DFTPP
Ionization Mode: EI
Scan Range: 50-550 amu
Instrument HP6890 GC & 5973 MSD
Peaks tR (min)
1. Naphthalene 4.70
2. 1-Methylnaphthalene 5.28
3. 2-Methylnapthalene 5.46
4. Acenaphthylene 6.45
5. Acenaphthene 6.60
6. Fluorene 7.18
7. Phenanthrene 9.10
8. Anthracene 9.14
9. Fluoranthene 12.50
10. Pyrene 13.33
11. Benz[a]anthracene 16.32
12. Chrysene 16.58
13. Benzo[b]fluoranthene 19.70
14. Benzo[k]fluoranthene 19.78
15. Benzo(j)fluoranthene 19.95
16. Benzo[a]pyrene 21.17
17. 3-Methylcholanthrene 21.97
18. Dibenz(a,h)acridine 24.33
19. Dibenz[a,j]acridine 24.39
20. Indeno(1,2,3-cd)pyrene 25.04
21. Dibenz[a,h]anthracene 25.07
22. Benzo[ghi]perylene 26.43
23. 7H-Dibenzo(c,g)carbazole 27.75
24. Dibenzo(a,E)pyrene 34.46
25. Dibenzo(a,i)pyrene 35.80
26. Dibenzo(a,h)pyrene 36.73
15-Meter 30-Meter
ID df temp. limits cat.# price cat.# price
0.25 mm 0.25 µm 40 to 280/320 °C 13520 13523
0.50 µm 40 to 280/320 °C 13538
1.00 µm 40 to 280/320 °C 13553
0.32 mm 0.25 µm 40 to 280/320 °C 13524
0.50 µm 40 to 280/320 °C 13539
1.00 µm 40 to 280/320 °C 13554
0.53 mm 0.25 µm 40 to 280/320 °C 13525
0.50 µm 40 to 280/320 °C 13540
0.83 µm 40 to 280/320 °C 13569
1.00 µm 40 to 280/320 °C 13552 13555
1.50 µm 40 to 280/320 °C 13570
20-Meter
ID df temp. limits cat.# price
0.18 mm 0.18 µm 40 to 280/320 °C 13502
Completely resolve
benzo(j)fluoranthene.