How to Prepare a Triethanolamine Buffer Shown here is the structure of triethanolamine in its fully protonated form: CH2CH2OH HOCH2CH2-N-CH2CH2OH H Its p Ka is 7.8, You have available at your lab bench 0.1 M solutions of HCl, NaOH, and the uncharged (free base) form of tricthanolamine, as well as ample distilled water, Describe the preparation of a 1-L solution of 0,05 M triethanolamine buffer, pH 7,6. | Numerade