ASBC
METHODS OF ANALYSIS

EPR Basics: Theory, Chemistry, and Industrial Applications

EPR Basics: Theory, Chemistry, and Industrial Applications

David Barr, Bruker BioSpin Corp, EPR Division

Summary

Explore the technical components of EPR. Expand your knowledge of spin trapping and its uses in understanding EPR. Gain insight on other industrial EPR applications. Learn about EPR in beer production and other liquids such as vegetable oil and wine.

Topics covered in this presentation:

EPR Basics: Theory, Chemistry and Industrial Applications
EPR = ESR (Electron Spin Resonance)
ESR or EPR?
What Is a Free Radical?
How Does EPR Work?
Components of an EPR Spectrometer
EPR Spectrometer for Industry
Advantages of EPR
Studies of Free Radical Chemistry Using EPR
Free Radical Oxidation is a Problem in Many Commercial Materials
Other Industrial EPR Applications
Orthopedic Implant History
EPR for QA/QC of Irradiated Polymer
EPR Analysis of Vegetable Oil
Radiation Processing
High Energy Ionizing Radiation Produces Free Radicals
Alanine is Mixed with Binder and Manufactured into Either Pellets or Films
Auto Paint Oxidation
The HALS EPR Assay
General Spin Trapping Experiment
What Is Spin Trapping?
How Does the EPR Signal Relate to Beer?
How Does EPR Measure Oxidative Resistance?
EPR Indicators from Forced Oxidation
Selecting an Oxidation Index
EPR Analysis of Wine
Goals for EPR Analysis

View Presentation