ionization constant


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ionization constant

[‚ī·ə·nə′zā·shən ¦kän·stənt]
(physical chemistry)
Analog of the dissociation constant, where k = [H+][A-]/[HA]; used for the application of the law of mass action to ionization; in the equation HA represents the acid, such as acetic acid.
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We believe our prediction of ionization constants (pKa) is now the most comprehensive pKa model available.
0 provides two new important predictive capabilities: prediction of multiple ionization constants (pKa's) for molecules that have multiple ionizable atoms, and prediction of the potential for toxicity based on inhibition of estrogen binding to the estrogen receptor.
A new module for the prediction of ionization constants (pKa's) tells researchers under what conditions of acidity (pH) a molecule will ionize.