Where \ frac { n _ i } { c } is the reduced viscosity of a polymer in solution, [ n ] is the intrinsic viscosity of the solution, k _ H is the Huggins coefficient, and c is the concentration of the polymer in solution.
22.
In practical settings, \ phi is usually solute mass concentration ( "'c "', g / dL ), and the units of intrinsic viscosity \ left [ \ eta \ right ] are deciliters per gram ( dL / g ), otherwise known as inverse concentration.
