Quantity Sample (µg) | Amount of SR added (µg) | Total amount recovered (µg) | Recovery rate (%) |
30 | 10 | 39.870 | 98.698 |
30 | 30 | 60.237 | 100.791 |
30 | 50 | 79.546 | 99.091 |
Recovery rate (%) | 99.527 | ||
Standard deviation | 0.843 | ||
CV (%) | 0.847 |