Table 3.
Estimation of CAF and CUR in raw materials.
| Method I | Method II | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| CAF at (443 nm) | CAF at (323 nm) | CUR at (437 nm) | |||||||
| Parameter | Concentration | %founda | Concentration | %founda | Concentration | %founda | |||
| Taken (ng/mL) | Found (ng/mL) | Taken (ng/mL) | Found (ng/mL) | Taken (ng/mL) | Found (ng/mL) | ||||
| 30.0 | 29.211 | 97.37 | 50.0 | 49.869 | 99.74 | 20.0 | 19.638 | 98.19 | |
| 50.0 | 49.225 | 98.45 | 200.0 | 197.891 | 98.95 | 50.0 | 49.029 | 98.06 | |
| 100.0 | 98.514 | 98.51 | 500.0 | 498.163 | 99.63 | 70.0 | 70.307 | 100.44 | |
| 200.0 | 198.845 | 99.42 | 700.0 | 709.801 | 101.40 | 100.0 | 99.039 | 99.04 | |
| 400.0 | 406.036 | 101.51 | 1000.0 | 991.252 | 99.13 | 120.0 | 122.159 | 101.80 | |
| 600.0 | 605.586 | 100.93 | 1500.0 | 1506.88 | 100.46 | 150.0 | 152.868 | 101.91 | |
| 800.0 | 793.310 | 99.16 | 2000.0 | 1995.93 | 99.80 | 200.0 | 197.189 | 98.59 | |
| X̅ ± SD | 99.34 ± 1.45 | 99.87 ± 0.83 | 99.72 ± 1.66 | ||||||
| %RSD | 1.46 | 0.83 | 1.66 | ||||||
| Comparison method [4] (n = 3) | Comparison method [4] (n = 3) | Comparison method [18] (n = 3) | |||||||
| X̅ ± SD | 100.08 ± 1.16 | 100.08 ± 1.16 | 99.85 ± 0.80 | ||||||
| t b | 0.86 (2.31) | 0.28 (2.31) | 0.17 (2.31) | ||||||
| Fb | 1.56 (5.14) | 1.95 (5.14) | 4.31 (5.14) | ||||||
aAverage of three replicate determinations.
b The theoretical t and F values (P = 0.05) are between parentheses44.