S/N | Standards (ppm) | Absorbance |
1 | 10 | 0.60 |
2 | 20 | 0.70 |
3 | 40 | 0.75 |
4 | 50 | 0.80 |
5 | 100 | 0.95 |
6 | 200 | 1.15 |
7 | 300 | 1.30 |
8 | 400 | 1.35 |
9 | 500 | 1,45 |
10 | 1000 | 1.60 |