Answer to Question #301116 in General Chemistry for Hamza

Question

Briefly explain the physical and chemical methods of determining the molecular weight or molar mass of high molecular compounds, with examples

Answer 1

To determine the molecular weight and molecular weight distribution of a polymer, one of the most widely applied methods is gel-permeation chromatography. Gel permeation chromatography (GPC) is a term used for when the separation technique size exclusion chromatography (SEC) is applied to polymers.