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Nicotine recovery tests to evaluate assay accuracy (n = 6)
| Original (mg g −1 ) | Spiked (mg g −1 ) | Measured (mg g −1 ) | Recovery (%) | RSD (%) |
|---|---|---|---|---|
| 6.41 |
2 |
8.38 |
97.52 |
2.04 |
| 6 |
12.24 |
102.37 |
1.37 |
|
| 15 | 20.96 | 98.58 | 1.13 |
Recovery (%) = [(measured amount - original amount)/spiked amount] × 100.
