Electrolytes polymorphic compounds

The pharmaceutical industry has been required by regulatory authorities to take a strong interest in polymorphism and solvatomorphism once it was realized that the nature of the structure adopted by a given compound upon crystallization would then exert a profound effect on the solid-state properties of that system. For a given material, the heat capacity, conductivity, volume, density, viscosity, surface tension, diffusivity, crystal hardness, crystal shape and color, refractive index, electrolytic conductivity, melting or sublimation properties, latent heat of fusion, heat of solution, solubility, dissolution rate, enthalpy of transitions, phase diagrams, stability, hygroscopicity, and rates of reactions, were all affected by the nature of the crystal structure. 

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