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EVALUATION OF MOLECULAR WEIGHT FROM EQUILIBRIUM SEDIMENTATION. PART 1. COMPUTATION BASED ON EXPERIMENTAL SCHLIEREN PLOT

Matatiahu Gehatia

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Abstract

A new method has been developed to determine molecular weight (specifically, ratio g = s(omega sq.)/D, where omega = angular velocity, s = sedimentation coefficient, D = diffusion coefficient) from an experimental schlieren plot, dc/dr vs r, taken at equilibrium. By applying this method, one can determine the entire distribution of molecular weight from equilibrium sedimentation, as well as the average values.

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What this paper is about

A new method has been developed to determine molecular weight (specifically, ratio g = s(omega sq.)/D, where omega = angular velocity, s = sedimentation coefficient, D = diffusion coefficient) from an experimental schlieren plot, dc/dr vs r, taken at equilibrium. By applying this method, one can determine the entire distribution of molecular weight from equilibrium sedimentation, as well as the average values.

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Available abstract

A new method has been developed to determine molecular weight (specifically, ratio g = s(omega sq.)/D, where omega = angular velocity, s = sedimentation coefficient, D = diffusion coefficient) from an experimental schlieren plot, dc/dr vs r, taken at equilibrium. By applying this method, one can determine the entire distribution of molecular weight from equilibrium sedimentation, as well as the average values.

Key concepts: Sedimentation, Plot (graphics), Computation, Schlieren, Sedimentation equilibrium, Mathematics, Geology, Physics

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EVALUATION OF MOLECULAR WEIGHT FROM EQUILIBRIUM SEDIMENTATION. PART 1. COMPUTATION BASED ON EXPERIMENTAL SCHLIEREN PLOT — Research Paper | ScholarLens