Spiked concentration (μM) | Lake sample | Shellfish sample | ||
Detected concentration (μM) | Recovery (%) | Detected concentration (μM) | Recovery (%) | |
10 | 9.56 ± 0.51 | 96 | 11.62 ± 0.42 | 116 |
8 | 8.30 ± 0.43 | 104 | 9.00 ± 0.46 | 112 |
6 | 6.18 ± 0.35 | 103 | 6.55 ± 0.27 | 109 |
4 | 4.32 ± 0.38 | 108 | 4.49 ± 0.28 | 112 |
2 | 1.86 ± 0.27 | 93 | 2.35 ± 0.21 | 117 |
1 | 1.15 ± 0.12 | 115 | 0.95 ± 0.10 | 95 |
0.5 | 0.46 ± 0.06 | 91 | 0.45 ± 0.07 | 90 |