Table 5 Percentage of amount found in different samples & comparative correlation of new method with reference methods
Sample | Compounds | % Amount expected | % Amount found by new method | % Amount found by reference methods | ± SD ( n=3) |
|---|---|---|---|---|---|
Sample 1 (Unknown) | Methaqualone Phenacetin Paracetamol Saccharin | - | 12.04 | 12.45 | 0.28 |
- | 45.60 | 45.09 | 0.36 | ||
- | 25.08 | 26.18 | 0.77 | ||
- | 15.01 | 14.31 | 0.49 | ||
Sample 2 (Mixed different proportion of four compounds) | Methaqualone Phenacetin Paracetamol Saccharin | 25 | 26.15 | 24.68 | 1.03 |
25 | 24.49 | 24.10 | 0.27 | ||
25 | 23.98 | 25.35 | 0.96 | ||
25 | 27.05 | 26.78 | 0.19 | ||
Sample 3 (Mixed different proportion of four compounds) | Methaqualone Phenacetin Paracetamol Saccharin | 20 | 18.92 | 21.35 | 1.71 |
20 | 21.05 | 21.69 | 0.45 | ||
30 | 28.19 | 30.70 | 1.77 | ||
30 | 32.11 | 29.85 | 1.59 | ||
Sample 4 (Mixed different proportion of four compounds) | Methaqualone Phenacetin Paracetamol Saccharin | 30 | 31.98 | 30.51 | 1.03 |
30 | 28.70 | 31.59 | 2.04 | ||
20 | 19.25 | 18.75 | 0.35 | ||
20 | 22.70 | 20.96 | 1.23 | ||
Sample 5 (Mixed different proportion of four compounds) | Methaqualone Phenacetin Paracetamol Saccharin | 35 | 33.69 | 36.68 | 2.11 |
30 | 28.18 | 31.32 | 2.22 | ||
20 | 21.83 | 18.96 | 2.02 | ||
15 | 13.76 | 14.13 | 0.26 |