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Peaks | tR (min) | Conc. (µg/mL) | |
---|---|---|---|
1. | Methanol | 0.912 | 100 |
2. | Acetaldehyde | 0.967 | 100 |
3. | Ethanol | 1.158 | 100 |
4. | Isopropanol | 1.420 | 100 |
5. | Acetone | 1.548 | 100 |
6. | tert-Butanol | 1.688 | 50 |
7. | 1-Propanol (n-Propanol) | 1.969 | 50 |
Column | Rtx-BAC Plus 1, 30 m, 0.32 mm ID, 1.8 µm (cat.# 18004) |
---|---|
Standard/Sample | BAC resolution control standard n-P (cat.# 36010) |
BAC resolution control standard t-B (cat.# 36011) | |
Diluent: | Water |
Conc.: | 50 µL of each standard were diluted in 900 µL water in a 20 mL headspace vial. |
Injection | headspace-loop split (split ratio 50:1) |
Liner: | 1 mm ID straight inlet liner (cat.# 20972) |
Headspace-Loop | |
Inj. Port Temp.: | 200 °C |
Instrument: | Tekmar HT3 |
Inj. Time: | 3 min |
Transfer Line Temp.: | 125 °C |
Valve Oven Temp.: | 125 °C |
Standby flow rate: | 50 mL/min |
Sample Temp.: | 60 °C |
Sample Equil. Time: | 5 min |
Vial Pressure: | 30 psi |
Pressurize Time: | 1 min |
Loop Pressure: | 20 psi |
Loop Fill Time: | 1 min |
Oven | |
Oven Temp.: | 40 °C (hold 3 min) |
Carrier Gas | He, constant flow |
Linear Velocity: | 80 cm/sec @ 40 °C |
Detector | FID @ 240 °C |
---|---|
Make-up Gas Flow Rate: | 30 mL/min |
Make-up Gas Type: | N2 |
Instrument | Agilent/HP6890 GC |
Notes | Headspace concentrator courtesy of Teledyne Tekmar, Mason, OH. |
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