Table 3 Recovery studies for AS and AQ
Exp. No. | Theoretical content (%) | Added amount (mg) | Found amount (%) | Recovery (%) | Mean recovery ± s (%) |
|---|---|---|---|---|---|
AS | |||||
1 | 15.84 | 16.23 | 102 | ||
2 | 80 | 15.99 | 16.12 | 101 | 101 ± 0.8 |
3 | 16.16 | 16.35 | 101 | ||
1 | 19.85 | 20.21 | 102 | ||
2 | 100 | 19.97 | 20.61 | 103 | 102 ± 0.7 |
3 | 20.06 | 20.48 | 102 | ||
1 | 23.57 | 23.46 | 100 | ||
2 | 120 | 24.00 | 24.54 | 102 | 101 ± 1.4 |
3 | 24.17 | 24.44 | 101 | ||
AQH | |||||
1 | 55.26 | 54.74 | 99 | ||
2 | 80 | 55.65 | 55.03 | 99 | 99 ± 0.3 |
3 | 56.81 | 56.47 | 99 | ||
1 | 69.3 | 68.49 | 99 | ||
2 | 100 | 70.31 | 69.16 | 98 | 98 ± 0.9 |
3 | 70.87 | 68.84 | 97 | ||
1 | 83.2 | 82.69 | 99 | ||
2 | 120 | 85.05 | 83.06 | 98 | 99 ± 1.1 |
3 | 93.92 | 93.47 | 100 |