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Peaks | |
---|---|
1. | 1,1-Dichloroethene |
2. | Methylene Chloride |
3. | Chloroform |
4. | Carbon Tetrachloride |
5. | Benzene |
6. | 1,2-Dichloroethane |
7. | Trichloroethylene |
8. | Bromodichloromethane |
9. | Toluene |
Peaks | |
---|---|
10. | Tetrachloroethylene |
11. | Dibromochloromethane |
12. | Chlorobenzene |
13. | Ethylbenzene |
14. | m-Xylene |
15. | p-Xylene |
16. | o-Xylene |
17. | Bromoform |
18. | 1,4-Dichlorobenzene |
19. | 1,2-Dichlorobenzene |
Column | Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915) |
---|---|
Standard/Sample | Canadian Drinking Water Volatiles Mix (2000μg/mL each component) (cat.# 30610) |
Diluent: | 25mL water |
Conc.: | 50 ppb each analyte |
Injection | purge and trap split (split ratio 35:1) |
Liner: | 1mm Split (cat.# 20972-214.1) |
Inj. Temp.: | 200 °C |
Purge and Trap | |
Instrument: | OI 4660 Eclipse Purge and Trap |
Trap Type: | #10 (Tenax/silica gel/carbon molecular sieve) |
Purge: | 11 min, flow 40 mL/min |
Desorb Preheat Temp.: | 185 °C |
Desorb: | 0.5 min @ 190 °C, flow 35.0 mL/min |
Bake: | 6 min @ 210 °C |
Transfer Line Temp.: | 150 °C |
Oven | |
Oven Temp.: | 35 °C (hold 5 min) to 70 °C at 5 °C/min to 220 °C at 20 °C/min (hold 3 min) |
Carrier Gas | He, constant linear velocity |
Linear Velocity: | 30 cm/sec @ 35 °C |
Detector | MS |
---|---|
Mode: | Scan |
Transfer Line Temp.: | 150 °C |
Ionization Mode: | EI |
Scan Range: | 35-250 amu |
Notes | Sample Temp.: 40 °C |
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