Dilution factor | Concentration (µg/mL) | Absorbance |
1/2 | 1 | 0.118 |
1/4 | 0.5 | 0.025 |
1/8 | 0.25 | 0.012 |
1/200 | 0.01 | ------ |
1/400 | 0.005 | ------ |