Pure Chromatography
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Electronic Cigarette Liquid on Rtx-VMS (Helium)
Peaks | tR (min) | |
---|---|---|
1. | Methanol![]() | 1.285 |
2. | Ethanol![]() | 1.355 |
3. | Methylene chloride![]() | 1.430 |
4. | Propylene glycol![]() | 2.174 |
5. | Unknown | 3.371 |
6. | Glycerin![]() | 3.446 |
7. | Nicotine![]() | 4.632 |

GC_FF1256
Column | Rtx-VMS, 30 m, 0.25 mm ID, 1.40 µm (cat.# 19915) |
Sample | |
Diluent: | Methylene chloride |
Conc.: | Electronic cigarette liquid diluted 100:1 |
Injection | |
Inj. Vol.: | 1.0 µL split (split ratio 200:1) |
Liner: | Premium 4 mm Precision liner w/wool (cat.# 23305.5) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 100 °C to 260 °C at 35 °C/min (hold 0.25 min) |
Carrier Gas | He, constant flow |
Flow Rate: | 2.0 mL/min |
Linear Velocity: | 44.4 cm/sec @ 100 °C |
Detector | FID @ 250 °C |
Make-up Gas Flow Rate: | 50 mL/min |
Make-up Gas Type: | H2 |
Hydrogen flow: | 40 mL/min |
Air flow: | 400 mL/min |
Instrument | Agilent 7890A GC |
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