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Measurement of free‐radical concentration in solids by electron paramagnetic resonance comparison technique
Author(s) -
Nanassy A. J.
Publication year - 1972
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1972.070161011
Subject(s) - electron paramagnetic resonance , saturation (graph theory) , paramagnetism , nuclear magnetic resonance , materials science , electron , analytical chemistry (journal) , chemistry , physics , condensed matter physics , nuclear physics , chromatography , mathematics , combinatorics
A brief theoretical background of free‐radical concentration measurement by electron paramagnetic resonance (EPR) comparison technique is presented to clarify the criteria required for the measurement. Simple experimental methods are suggested to improve the accuracy of the measurement by taking into account the effects of rf power saturation and instrument parameters on the spectral records.