0
2
4
6
8
10
12
Time (min)
1
2
3
4
5
6
7
8
12
13
14
15 16
17
18
19
20
21
22
10
9
11
1. TCX
2. a-BHC
3. g-BHC
4. b-BHC
5. d-BHC
6. Heptachlor
7. Aldrin
8. Heptachlor epoxide
9. g-Chlordane
10. a-Chlordane
11. Endosulfan I
12. 4,4' -DDE
13. Dieldrin
14. Endrin
15. 4,4' -DDD
16. Endosulfan II
17. Endrinaldehyde
18. 4,4' -DDT
19. Endosulfan sulfate
20. Methoxychlor
21. Endrin ketone
22. Decachlorobiphenyl
Conditions for both columns:
Sample:
1mg/mL standard (cat.#32291) & (cat#32000), 50ng/mLhexane
Inj.:
1.0µL splitless (hold0.75min.), customSiltek splitless inlet liner
Inj. temp.: 250°C Det.:
ECD@320°C
Carrier gas:
hydrogen, constant pressure
Linear velocity:
64cm/sec.@100°C
Oven temp.:
140°C (0.5min.) to268°C@30°C/min. to290°C
@11°C/min. to330°C@25°C/min. (5min.)
Figure 3a: Rtx-440 30m x 0.32mm, 0.50µm
