n In dilute polymer solutions η sp /c = [η] + k′[η]2c, where η sp and [η] are the specific and intrinsic viscosities, c = the concentration in g/dL, and k′ = the Huggins constant; one of several equations (Schulz, Blasche, Huggins and Kraemer) to extracted values \(c \longrightarrow 0\) or infinite dilution of solute. By making viscosity measurements at several concentrations, plotting η sp /c versus c, and extrapolating the line obtained to c = 0, the intrinsic viscosity can be evaluated. Then k′ = the slope of the line divided by [η]2. (Kamide K, dobashi T (2000) Physical chemistry of polymer solutions. Elsevier, New York; Huggins ML (1958) Physical chemistry of high polymers. Wiley, New York) See also Dilute-Solution Viscosity, Staudinger Index, and Mark-Houwink Equation.
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Gooch, J.W. (2011). Huggins Equation. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_6071
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