569-582_GCappPest.qxp
11/22/2010
9:05 PM
Page 574
GC CHROMATOGRAMS | ENVIRONMENTAL
Pesticides Organophosphorus Pesticides US EPA Method 8141A Rtx®-OPPesticides & Rtx®-OPPesticides2
5,20
10,11
3
44,41 28 8
Rtx®-OPPesticides 30m, 0.32mm ID, 0.50μm (cat.# 11239)
26,30
9 27,35
Dual-column injector
12
GC: splitless, purge on 1.0 min. constant pressure Oven temp.: 80°C (hold 0.5 min.) to 280°C @ 12°C/min. (hold 10 min.) Injector: 200°C Inlet liner: 4mm Siltek® single gooseneck inlet liner Detector: FPD @ 250°C Dead time: 1.03 min. @ 80°C Injection: 1µL US EPA Method 8141A Custom Standard Mixes (100ng/mL) Triphenylphosphate Standard (cat.# 32281) Tributylphosphate Standard (cat.# 32280) 8140/8141 OP Pesticides Calibration Mix A (cat.# 32277) 8141 OP Pesticides Calibration Mix B (cat.# 32278) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53.
dichlorvos hexamethylphosphoramide mevinphos trichlorfon TEPP demeton-O tributyl phosphate (SS) thionazin ethoprop naled sulfotepp phorate dicrotophos monocrotophos demeton-S terbufos dimethoate diazinon dioxathion fonophos disulfoton phosphamidon isomer (breakdown product) dichlorofenthion phosphamidon chlorpyrifos methyl parathion-methyl ronnel aspon fenitrothion malathion chlorpyrifos trichloronate parathion-ethyl fenthion merphos chlorfenvinphos crotoxyphos stirofos tokuthion merphos oxone (breakdown product) ethion fensulfothion bolstar carbophenothion famphur triphenyl phosphate (SS) EPN phosmet leptophos tri-o-cresyl phosphate azinphos-methyl azinphos-ethyl coumaphos
13,14 17 23 16 19,21
47,48
7
36,33 40 34
25
29
18 32
45
31 1
24 39
38
43 51
37 49
2
46
15
4
42
50 52 6 53 22
min.
8
10
12
14
11
16
20
22
Rtx®-OPPesticides2 30m, 0.32mm ID, 0.32μm (cat.# 11241)
28 32,33
8
3
18
18 17 19,20
7 9
41
21
12
26 34
16
31 29
25 23
27
30
1 5 38
24 2
15
4
42
39 36
43 44 45 46
14
37 47
48
10 49
6 35
50
51
52
40
53
13 22
min. 6
8
10
12
14
16
18
20
GC_EV00394
574 www.restek.com Website : www.chromtech.net.au E-mail :
[email protected] TelNo : 03 9762 2034 . . . in AUSTRALIA
Mar 2011
