Volatiles
565
Volatile Organics US EPA Method 502/8021 Rtx®-VGC Primary column, dual-column analysis. Polymer specially designed for volatiles analysis by PID/ELCD. Confirmation analysis shown on page 566. Rtx®-VGC 75m, 0.45mm ID, 2.55µm (cat.# 19409)
41,42
restek innovation! • 35°C starting temperature for better resolution of early-eluting compounds. • Excellent resolution of trihalomethanes.
PID
53 40
63
58 59
57 56
48 43
60
61
59
Freon® 113 included (peak 8)
54
46
50
47 55
50 38 39
51
24
24.5
64 58
25
61
10
37 66 3 17
11
33 35 14 18
7 6 65
22
23
24
25
13
19
5
24 22
26 64
66
26 27
16
12
15
3132
20
34
29
38 37
37 11
4
30 23 14 12
25 62
24 3132
20 29
7
23
ELCD
PID 5
8
36
63
3
min.
28
9
21
45
10
15
20
25
min.
5
10
15
20
25
GC_EV00416
Primary column: Confirmation column: Conc. Concentrator: Trap: Purge: Dry purge: Desorb preheat: Desorb: Bake: Interface: Transfer line: 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14.
dichlorodifluoromethane chloromethane vinyl chloride bromomethane chloroethane trichlorofluoromethane 1,1-dichloroethene Freon® 113 allyl chloride methylene chloride trans-1,2-dichloroethene methyl tert-butyl ether 1,1-dichloroethane cis-1,2-dichloroethene
Rtx®-VGC, 75m, 0.45mm ID, 2.55µm (cat.# 19409) Rtx®-VRX, 75m, 0.45mm ID, 2.55µm (cat.# 19309) 20ppb in 5mL of RO water. Tekmar LSC-3000 Purge and Trap Vocarb 3000 11 min. @ 40mL/min. 1 min. @ 40mL/min. (MCS by-passed with Silcosteel® tubing, cat.# 21035) 245°C 250°C for 2 min. 260°C for 8 min. direct 0.32mm ID Siltek® tubing 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28.
2,2-dichloropropane bromochloromethane chloroform carbon tetrachloride 1,1,1-trichloroethane 1,1-dichloropropene benzene 1,2-dichloroethane fluorobenzene (SS) trichloroethene dibromomethane 1,2-dichloropropane bromodichloromethane 1-bromo-2-chloroethane (SS)
29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42.
GC: Oven temp.: Carrier gas: Detectors:
cis-1,3-dichloropropene toluene tetrachloroethene trans-1,3-dichloropropene 1,1,2-trichloroethane dibromochloromethane 1,3-dichloropropane 1,2-dibromoethane 1-chloro-3-fluorobenzene (SS) chlorobenzene ethylbenzene 1,1,1,2-tetrachloroethane m-xylene p-xylene
Finnigan 9001 35°C (hold 4 min.) to 75°C @ 3°C/min. (hold 2 min.) to 175°C @ 21°C/min. to 205°C @ 35°C/min. (hold 5 min.) helium 11mL/min., constant pressure Adjust dichlorodifluoromethane to a retention time of 2.28 min. @ 35°C on the Rtx®-VGC column. µGold Tandem PID/HALL® 2000 PID: makeup 7mL/min., purge 7mL/min., set @ 0.35mV, base temp. 200°C. ELCD HALL® 2000: RxnGas 25mL/min., RxnTemp. 940°C, propanol flow 470µL/min.
43. 44. 45. 46. 47. 48. 49. 50. 51. 52. 53. 54. 55. 56.
o-xylene styrene bromoform isopropylbenzene bromobenzene n-propylbenzene 1,1,2,2-tetrachloroethane 2-chlorotoluene 1,2,3-trichloropropane 1,3,5-trimethylbenzene 4-chlorotoluene tert-butylbenzene 1,2,4-trimethylbenzene sec-butylbenzene
57. 58. 59. 60. 61. 62. 63. 64. 65. 66.
p-isopropyltoluene 1,3-dichlorobenzene 1,4-dichlorobenzene n-butylbenzene 1,2-dichlorobenzene 1,2-dibromo-3-chloropropane hexachlorobutadiene 1,2,4-trichlorobenzene naphthalene 1,2,3-trichlorobenzene
Acknowledgement: Finnigan 9001 GC, µGold Tandem Photoionization/HALL® 2000 Electrolytic Conductivity Detector provided courtesy of Thermo Scientific GC & GC/MS Division, 2215 Grand Avenue Pkwy, Austin, Texas 78728
Phone: 800-356-1688 or 814-353-1300 www.restek.com
G C A P P L I C AT I O N S | E N V I R O N M E N TA L
47 52 53
44
ELCD
49