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Mean values (N = 3) of recovery % of smoked salmon samples, spiked at 2 μg/kg, obtained from Protocol III to Protocol VII, using IL8 working standard solution prepared with acetonitrile.
| Extraction and clean-up procedure | BAA | BAP | BBF | CHR |
|---|---|---|---|---|
| Protocol III | 9.8% | 7.3% | 9.5% | 4.3% |
| Protocol IV | 8.8% | 7.9% | 9.5% | 8.9% |
| Protocol V | 7.5% | 10.1% | 10.2% | 9.5% |
| Protocol VI | 8.3% | 7.3% | 10.1% | 10.2% |
| Protocol VII | 70.5% | 84.5% | 89.2% | 71.0% |
