| Tris base
|
1.21 g |
10 mM |
| EDTA (disodium salt)
|
0.37 g |
1 mM |
| H2O
|
1000 mL |
|
|
| Dissolve Tris in 950 mL of H2O. Adjust the pH to 8.0 or 9.0 with 1 M HCl. Add EDTA and adjust the pH to 9.0. Add H2O to 1000 mL. Store at room temperature for 3 mo or at 4°C for up to 6 mo.
|