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Mass over charge (m/z) of the selected pentafluorobenzyl ester ions of GC/MS NCI
| Fatty acids | Un- labeled |
Labeled |
|---|---|---|
| 1H5- | 2H5- | |
| n-3 | ||
| 18:3n-3 | 277 | 282 |
| 20:5n-3 | 301 | 306 |
| 22:5n-3 | 329 | 334 |
| 22:6n-3 | 327 | 332 |
| n-6 | ||
| 18:2n-6 | 279 | 284 |
| 18:3n-6 | 277 | 282 |
| 20:2n-6 | 307 | 312 |
| 20:3n-6 | 305 | 310 |
| 20:4n-6 | 303 | 308 |
| 22:4n-6 | 331 | 336 |
| 22:5n-6 | 329 | 334 |
| Internal standards | 13C2, 2H9- | |
| 23:0 | 353 | n/a |
| 18:3n-6 | 277 | 288 |
Footnote:
GC/MS NCI indicates gas chromatography/mass spectrometry negative chemical ionization
