Abstract
AbstractProvided that in molecular weight determinations by vapor pressure osmometry (VPO) the relationship between M and the measured quantity (δV/c)c=0 obeys a calibration function of the type (δV/c)c=0 = KM−a, the kind of molecular weight average M̄VPO delivered by this method is derived. The deviation of M̄VPO from the true number average molecular weight M̄n is estimated from its dependence on the polydispersity and the exponent a of the calibration function.
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