Ethylenediamine tetraacetic acid (EDTA) - 0.5M, pH 8
Reagents (for 1L):
- Na2EDTA - 186.1g
- NaOH Pellets
- DI Water - 1 L
- Dissolve the Na2EDTA in about 500 mls of DI water. NOTE: It will not go in until the solution reaches the proper pH.
- Adjust to pH 8.0 by adding the NaOH pellets until the EDTA goes into solution.
- Fill the solution to the final volume of 1 L with DI water.