Handwritten notes of Unit. 1 of Physical Pharmaceutics-I. 

Subject in B. Pharm sem-3

 Notes are According to PCI syllabus

Each and every topic is covered

Good handwriting

Easy language for understand

Student are able  to understand after reading. 

Notes contain following topics

UNIT-I

Solubility of drugs: Solubility expressions, mechanisms of solute solvent interactions, ideal solubility parameters, solvation & association, quantitative approach to the factors influencing solubility of drugs, diffusion principles in biological systems, Solubility of gas in liquids, solubility of liquids in liquids, (Binary solutions, ideal solutions) Raoult’s law, real solutions. Partially miscible liquids, Critical solution temperature and applications. Distribution law, its limitations and applications