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. 1968 Mar-Apr;72A(2):141–148. doi: 10.6028/jres.072A.014

Table 1.

Values of psK for the dissociation of the protonated form of tris(hydroxymethyl)aminomethane in water-methanol mixtures at 25 °C

Wt percent methanol psK psK–pwK
0 a (8.072)
30 7.940 −0.132
50 7.825 −.247
70 7.855 −.217
90 8.462 + .390
a

For this value of pwK, see ref. [1] and [2].