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Peaks | |
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13. | Pentafluorobenzene |
14. | Carbon Tetrachloride |
15. | Benzene |
16. | 1,2-Dichloroethane |
17. | Fluorobenzene |
18. | Trichloroethene |
19. | 1,2-Dichloropropane |
20. | Bromodichloromethane |
21. | 2-Chloroethyl vinyl ether |
22. | cis-1,3-Dichloropropene |
23. | Toluene |
24. | 2-Bromo-1-chloropropane |
Column | Rtx-624, 40 m, 0.18 mm ID, 1.00 µm (cat.# 40925) |
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Standard/Sample | 624 Internal Standard Mix (cat.# 30023) |
624 Surrogate Standard Mix (cat.# 30243) | |
Volatiles MegaMix, EPA Method 624 (cat.# 30497) | |
Conc.: | compounds at 50 ppb (IS @ 40ppb) in 5mL of RO water |
Injection | purge and trap split (split ratio 40:1) |
Inj. Temp.: | 250 °C |
Purge and Trap | |
Instrument: | Tekmar LSC-3100 Purge and Trap |
Trap Type: | Vocarb 3000 (type K) |
Purge: | 11 min @ ambient, flow 40 mL/min |
Dry Purge: | 1 min, flow 40 mL/min |
Desorb Preheat Temp.: | 245 °C |
Desorb: | 2 min @ 250 °C, flow 10 mL/min |
Bake: | 8 min @ 260 °C |
Interface Connection: | injection port |
Transfer Line Tubing: | Silcosteel transfer line, 1mm ID sleeve |
Oven | |
Oven Temp.: | 50 °C (hold 4 min) to 100 °C at 12 °C/min to 230 °C at 27 °C/min (hold 2 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 1.1 mL/min |
Dead Time: | 2.06 min @ 50 °C |
Detector | Agilent 5971A GC/MS |
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Transfer Line Temp.: | 280 °C |
Analyzer Type: | Quadrupole |
Tune Type: | PFTBA/BFB |
Ionization Mode: | EI |
Scan Range: | 35-260 amu |
Notes | (MCS bypassed using Silcosteel tubing) |
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