Proton Spin—Lattice Relaxation of n-Paraffins in Solution

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Abstract
The proton T1 values for carbon tetrachloride solutions of n‐paraffins have been measured as functions of concentration. The common relaxation theory in which molecules act as spheres whose translational and rotational diffusion coefficients are inversely proportional to the same viscosity is checked with the aid of diffusion coefficients. The simple theory is inadequate, especially for the greater chain lengths. Effects of changes of chain configuration with concentration may be important.