| Triethanolamine
|
1.33 mL |
0.1 M |
| 37% HCl
|
0.175 mL |
0.65% |
| RO-H2O
|
100 mL |
-- |
| Acetic anhydride
|
0.375 mL |
0.375% (v/v) |
| RO-H2O is H2O that has been purified by reverse osmosis (18 MΩ).
|
| Add 1.33 mL triethanolamine and 0.175 mL concentrated HCl (37%) to 100 mL RO-H2O and mix until dissolved. Immediately before use, add 0.375 mL acetic anhydride.
|