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Peaks | Concentration (ppbv) | |
---|---|---|
1. | Hydrogen sulfide | 20 |
2. | Methyl mercaptan | 200 |
3. | Ethyl mercaptan | 300 |
4. | Dimethyl sulfide | 2,000 |
5. | 2-Propanethiol | 50 |
6. | 1-Propanethiol | 100 |
7. | Ethyl methyl sulfide | 1,300 |
8. | 2-Butanethiol | 150 |
9. | Diethyl sulfide | 180 |
Column | Rtx-1, 60 m, 0.53 mm ID, 7.00 µm (cat.# 10193) |
---|---|
Standard/Sample | Natural gas |
Injection | Direct |
Inj. Temp.: | 30 °C |
Oven | |
Oven Temp.: | 30 °C (hold 1 min) to 100 °C at 30 °C/min (hold 60 min) |
Carrier Gas | He, constant pressure |
Linear Velocity: | 96 cm/sec @ 30 °C |
Detector | Sievers 355 SCD @ 800 °C |
---|---|
Hydrogen Flow Rate: | 100 mL/min |
Air Flow Rate: | 40 mL/min |
Instrument | HP5890 GC |
Notes | Point of use samples were collected in either an uncoated sampling cylinder or a Sulfinert-treated sampling cylinder. A Valco sampling valve with a 1 mL external loop was used. |
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