| Paraformaldehyde (extra pure; Merck)
|
4 g |
| PBS (1X, pH 7.4) |
to 100 ml |
| NaOH (5 M)
|
200 μl |
| HCl
|
to pH 7.4 |
| Dissolve 4 g paraformaldehyde in 80 ml 1X PBS and 200 μl 5 M NaOH at 60°C with stirring. Adjust to pH 7.4 with HCl. Bring
to a final volume of 100 ml with 1X PBS.
|