Buffer Prep
Henderson-Hasselbalch Calculator
Acid Amount (mL)
50.00
Base Amount (mL)
50.00
Ratio [B]/[A]
1.0000
pH = pKa + log([A⁻]/[HA])
| System | pKa | Range |
|---|---|---|
| Acetate | 4.76 | 3.8-5.8 |
| Phosphate | 7.20 | 6.2-8.2 |
| Tris | 8.06 | 7.0-9.0 |