Table 3.
Recoveries of standard addition and RSD for cyanide (n = 6).
| analyte | added (μg kg−1) | recoveries (%) | intra-day RSD (%) | inter-day RSD (%) |
|---|---|---|---|---|
| cyanide | 5 | 81.6 | 14.9 | 18.3 |
| 50 | 92.8 | 11.7 | 15.2 | |
| 100 | 97.9 | 6.4 | 8.7 | |
| 200 | 98.6 | 2.7 | 3.0 |
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