Answer to Question #179573 in General Chemistry for Austin

Question

Briefly explain the physical and chemical methods of determining molecular weight/molar mass of high molecular compound 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.