Comparison of Orthogonal Determination Methods of Acid/Base Constants with Meta-Analysis.

However, a slight trend is observed with greater positive bias associated with higher p K a values, and vice versa, more negative bias is associated with lower p K a values.

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The extended model affords a 0.041 coefficient for the difference between potentiometry and NMR methods (in agreement with the 0.042 difference in the Bland–Altman plot, Figure 4 ), and this difference is now barely significant at the 5% level ( p -value: 0.0512).

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