Similar to Solubility 2: Ideal Solubility Parameters, Regular Solutions Theory, Unit Solubility Parameters, Application of Solubility Parameters, Methods of Determining Ideal Solubility Parameters
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Similar to Solubility 2: Ideal Solubility Parameters, Regular Solutions Theory, Unit Solubility Parameters, Application of Solubility Parameters, Methods of Determining Ideal Solubility Parameters (17)
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Solubility 2: Ideal Solubility Parameters, Regular Solutions Theory, Unit Solubility Parameters, Application of Solubility Parameters, Methods of Determining Ideal Solubility Parameters
1. SOLUBILITY - 2
Presented By:
Mr. S.M. Ambore
Asst. Professor,
DK Patil Institute of Pharmacy, Loha. Nanded
2. LEARNING OUTCOMES….
Ideal Solubility Parameters
Regular Solutions Theory
Unit Solubility Parameters
Application of Solubility
Parameters
Methods of Determining Ideal
Solubility Parameters
2
3. 3
1. To estimate solubility some Ideal Solubility Parameters
are required.
2. These are explained with REGULAR SOLUTION
THEORY.
3. Regular Solution Theory mainly deals with non-polar
molecules like polymers.
4. It suggest a numerical estimation about extent of
solubility.
IDEAL SOLUBILITY PARAMETERS
4. REGULAR SOLUTION THEORY
4
Where,
d1 = solubility parameter
dU = Molar energy
V = Molar volume of solvent
dU / V = Cohesive energy of solvent
dH = Heat of vaporization of solvent
R = Gas constant
T = Temperature
V = Molar volume of solvent
5. 5
d1 – d2 = Gives numerical value for solubility
8. 8
Selection of Solvent
Preparation of Polarity Scale
Co solvency Power
determination
Chemical Kinetic
determination
Determination of mechanism in
drug action
Structural activity
relationship (SAR)
Drug transport through model
membrane
APPLICATION OF SOLUBILITY PARAMETERS