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GC COLUMNS | GENERAL-PURPOSE COLUMNS
Rtx®-440
Rtx®-440 Columns (fused silica)
(midpolarity proprietary Crossbond® phase)
• General-purpose columns with unique selectivity for pesticides, PAHs, or other
semivolatiles. Ideal for low/trace-level analyses.
• Low-bleed, high-resolution columns with unique selectivity.
• Wide temperature range: 20 °C to 340 °C.
Restek innovation!
Organochlorine Pesticides by EPA Method 8081A on Rtx®-440 (dual column w/ Rtx®-CLPesticides2)
GC_EV00796
Column Rtx®-440, 30 m, 0.32 mm ID, 0.50 µm (cat.# 12939)
Sample Organochlorine pesticide mix AB #2, 8-80 µg/mL in ethyl acetate (cat.# 32292)
Chlorobenzilate, 1,000 µg/mL in methanol (cat.# 32211)
Hexachlorobenzene, 1,000 µg/mL in acetone (cat.# 32231)
Hexachlorocyclopentadiene, 1,000 µg/mL in methanol (cat.# 32232)
2,4'-DDD, 1,000 µg/mL in methanol (cat.# 32098)
2,4'-DDE, 1,000 µg/mL in methanol (cat.# 32099)
2,4'-DDT, 1,000 µg/mL in methanol (cat.# 32200)
2,4,5,6-Tetrachloro-m-xylene, 200 µg/mL in acetone (cat.# 32027)
Decachlorobiphenyl (BZ #209), 200 µg/mL in acetone (cat.# 32029)
Diallate (cis& trans), 1,000 µg/mL in hexane (cat.# custom)
Isodrin, 1,000 µg/mL in hexane (cat.# custom)
Kepone, 1,000 µg/mL in hexane (cat.# custom)
Mirex, 1,000 µg/mL in hexane (cat.# custom)
Injection
Inj. Vol.: 1.0 µL splitless (hold 0.75 min)
Liner: Siltek® single taper (cat.# 20961-214.1)
Inj. Temp.: 275 °C
Oven
Oven Temp.: 140 °C (hold 1 min) to 240 °C at 30 °C/min (hold 2 min) to 330 °C at 30 °C/min (hold 4 min)
Carrier Gas H2 , constant pressure
Linear Velocity: 51 cm/sec @ 140 °C
Detector ECD@ 330 °C
Instrument Shimadzu 2010 GC
Notes Rtx®-CLPesticides2 analysis shown in chromatogram GC_EV00797.
Peaks
1. Hexachlorocyclopentadiene
2. 2,4,5,6-Tetrachloro- m-xylene (SS)
3. cis-Diallate
4. trans-Diallate
5. α-BHC
6. Hexachlorobenzene
7. γ -BHC
8. β -BHC
9. δ -BHC
10. Heptachlor
11. Aldrin
12. Isodrin
13. Heptachlor epoxide
14. 2,4'-DDE
15. trans-Chlordane
16. cis-Chlordane
17. Endosulfan I
18. 4,4'-DDE
19. 2,4'-DDD
20. Dieldrin
21. Chlorobenzilate
22. Endrin
23. 2,4'-DDT
24. 4,4'-DDD
25. Endosulfan II
26. Kepone
27. Endrin aldehyde
28. 4,4'-DDT
29. Endosulfan sulfate
30. Methoxychlor
31. Endrin ketone
32. Mirex
33. Decachlorobiphenyl (SS)
* For information regarding the no-
menclature used for cis-chlordane and
trans-chlordane, visit
chlordane-notice
30-Meter
ID df temp. limits cat.# price
0.25 mm 0.25 µm 20 to 320/340 °C 12923
0.50 µm 20 to 320/340 °C 12938
0.32 mm 0.25 µm 20 to 320/340 °C 12924
0.50 µm 20 to 320/340 °C 12939
0.53 mm 0.50 µm 20 to 320/340 °C 12940
20-Meter
ID df temp. limits cat.# price
0.18 mm 0.18 µm 20 to 320 °C 42902