p-NP终浓度(μg/mL) | 0 | 1 | 2 | 4 | 6 | 8 | 10 |
10 μg/mL p-NP (mL) | 0 | 1 | 2 | 4 | 6 | 8 | 10 |
0.05 mol/L Tris-HCl (mL) | 10 | 9 | 8 | 6 | 4 | 2 | 0 |