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www.restek.comGC 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
H
2
, 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
www.restek.com/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