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Fatty Acids (Free) on Rtx-1
Peaks | |
---|---|
1. | Acetic acid![]() |
2. | Propionic acid![]() |
3. | Isobutyric acid![]() |
4. | n-Butyric acid![]() |
5. | Isovaleric acid![]() |
6. | n-Valeric acid![]() |
7. | Isocaproic acid![]() |
8. | Caproic acid![]() |
9. | Heptanoic acid![]() |

Column | Rtx -1, 30 m, 0.53 mm ID, 5.00 µm (cat.# 10179) |
Sample | free fatty acid standard |
Diluent: | water |
Conc.: | 10-20 ng/µL each analyte |
Injection | |
Inj. Vol.: | 0.2 µL Direct |
Liner: | Drilled Uniliner (hole near top) (cat.# 21054) |
Inj. Temp.: | 250 °C |
Oven | |
Oven Temp.: | 60 °C to 180 °C at 15 °C/min |
Carrier Gas | H2, constant flow |
Flow Rate: | 6 mL/min |
Linear Velocity: | 50 cm/sec |
Detector | FID @ 250 °C |
Notes | FID sensitivity: 4 x 10-11 AFS |
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