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There is a large and increasing variety of polymers currently in
use both for domestic and industrial applications. The properties
of polymers are deter mined not only by their chemical type, but
also by their molecular mass and molecular mass distributions.
However, while the chemical type of polymers can be determined
relatively easily, the average molecular masses and molecular mass
distributions are more difficult to measure. The molecular mass
averages of a polymer are measured by specialized and complex
techniques such as light scattering (for weight average) and
osmometry (for number average). Thus, complete characterization of
the molecular mass distribution of a polymer by such means requires
separating the sample into many fractions which can then be
examined individually. Since size exclusion chromatography was
introduced as a rapid and straightforward technique for the
characterization of polymer molecular mass distributions, there
have been tremendous increases in development and applications, and
it was felt appropriate to bring together into a single volume the
information required by scientists from many disciplines who wish
to use the technique. This book should be useful to existing users,
those who are new to the technique, and those who may be familiar
with the basic technique and now wish to extend their capabilities
to more complex applications (or to consider the potential of a
number of related techniques). The book will also be of general
interest to the experienced liquid chromatographer.
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