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Hydration Thermodynamics and Hydrodynamic (Stokes) Radius of the Lanthanide Ions
Iraqi Journal of Physics
Many biochemical and physiological properties depend on the size of ions and the thermodynamic quantities of ion hydration. The diffusion coefficient (D) of lanthanide (III) ions (Ln+3) in solution assumed (1.558-1.618 ×10−9 m2 s−1) by Einstein–Smoluchowski relation. The association constant (KA) of Ln+3 ions was calculated (210.3-215.3 dm3 mole-1) using the Shedlovsky method, and the hydrodynamic radius calculated (1.515-1.569 ×10−10 m) by the Stokes-Einstein equation. The thermodynamicdoi:10.30723/ijp.v18i46.563 fatcat:f6yyqkert5h2pndyq33xw4qjvi