| NaCl |
8 g |
| KCl
|
0.2 g |
| Tris base
|
3 g |
| Phenol red
|
0.015 g |
| Dissolve the NaCl, KCl, and Tris base in 800 mL of H2O. Add the phenol red and adjust the pH to 7.4 with HCl. Add H2O to 1 L. Dispense the solution into aliquots and sterilize them by autoclaving for 20 min at 15 psi (1.05 kg/cm2) on liquid
cycle. Store the buffer at room temperature.
|