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What is Polystyrene Molecular Weight Calculation about?

The document describes an experiment to determine the average molecular weight of polystyrene using the intrinsic viscosity method. Four polystyrene samples of varying concentrations were dissolved in toluene. The flow times of the solutions were measured with a viscometer. Huggins plot analysis yielded the intrinsic viscosity. The Mark-Houwink-Sakurada equation was then applied using the intrinsic viscosity and constants for toluene to calculate the average molecular weight of 131496 g/gmole.

Author

Mahmoud Hendawy

Language

EN