Malvern has produced an application note describing the GPC (or equivalently SEC) analysis of branching in polyvinylpyrrolidone (PVP).
Malvern has produced an application note describing molecular and rheological changes that occurred as samples of PS and PMMA were extruded through a capillary rheometer, simulating moulding.
Want to understand what the correct criteria for column selection should be based on? If so, this tutorial is for you...
Do you find weird peak shapes in your chromatograms? Not sure if they are real or artifacts?
So you're using gel permeation chromatography (GPC) / size exclusion chromatography (SEC) but are experiencing problems with your system pressure. What do you do?
Tosoh Bioscience has produced an application note describing how polyphenylene sulfide (PPS) analysis can be successfully achieved using its EcoSEC high temperature GPC system.
Tosoh Bioscience has produced an application note describing the analysis of asphalt binders using gel permeation chromatography.
Tosoh Bioscience has produced an application describing how to improve reproducibility of MW measurements of polypeptoids using an EcoSEC GPC system.
Tosoh Bioscience has produced an application note describing how to monitor single-chain nanoparticle formation and characterize nanoparticles using multi-pore TSKgel GPC columns.
Tosoh Bioscience has produced an application note determining the molar mass averages and polydispersity of two polypropylene random copolymer samples via refractive index (RI) detection using the EcoSEC High Temperature GPC System and TSKgel...
Gel permeation chromatography (GPC) is a valuable and well established tool for the chemical industry when it comes to the determination of the molecular weight and the molecular weight distribution of polymers.
Tosoh Bioscience has produced an application note demonstrating how GPC was applied to analyse and differentiate the molar mass averages and distributions of four block copolymers intended to be used in a polymer-based therapeutic.