S. No. | Tea Samples | Concentration (ppm) | Absorbance |
1. | Assam tea | 1 | 0.010 |
2. | Hyderabad local tea | 5 | 0.370 |
3. | Red label tea | 10 | 0.700 |
4. | Wagh bakri | 15 | 0.985 |
5. | Tata tea | 20 | 1.195 |
6. | Taj Mahal | 25 | 1.537 |