dissociation constant

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Related to Disassociation constant: dissociation constant of water, Acid dissociation constant
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Noun1.dissociation constant - the equilibrium constant for a reversible dissociation
equilibrium constant - (chemistry) the ratio of concentrations when equilibrium is reached in a reversible reaction (when the rate of the forward reaction equals the rate of the reverse reaction)
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(c-1) the disassociation constant of its salt form is less than 10-3;
In (5)and (6), [k.sub.b] is Boltzmann's constant, T is temperature (in K), [[epsilon].sub.0] is the dielectric permittivity in vacuum, [[epsilon].sub.r] is the relative permittivity, e is the elementary charge, N is Avogadro's number, pH is the fluid pH, [K.sub.Me] is the binding constant for sodium adsorption, [K.sub.(-)] is the disassociation constant for dehydrogenization of silanol surface sites, [[GAMMA].sub.s] is the surface site density, [K.sub.w] is the disassociation constant of water, and [C.sub.f] is the electrolyte concentration.
Disassociation Constant. This parameter defines the fluid pH which is required to calculate the Stern potential and surface conductance.