Molecular weight determination, polymers viscometric method

The Commission on Enzymes states that, wherever possible, enzyme assays should be based on measurements of initial rates of reaction. A viscometric assay method should be especially suitable for this purpose since the mean molecular weight of a polymer can be rapidly determined by such methods. A useful viscometric method has been worked out by Almin et al. (3,4, 5). 

Although the method is not absolute and requires calibration, viscometric determinations can be made with ease, and they provide a ready method for roughly estimating molecular size. An empirical relation between limiting viscosity number and molecular weight has been found to hold for all polymers, namely,... 

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