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Quantitative electron paramagnetic resonance (EPR) spectrometry with a TE104double rectangular cavity Part 1. A simple alignment procedure for the precision positioning of the sample

Authors
Journal
Analytica Chimica Acta
0003-2670
Publisher
Elsevier
Publication Date
Volume
333
Issue
3
Identifiers
DOI: 10.1016/0003-2670(96)00254-1
Keywords
  • Quantitative Epr Spectrometry
  • Sample Set-Up
  • Sample Positioning

Abstract

Abstract The Bruker TE 104 double rectangular cavity is commonly utilized for quantitative electron paramagnetic resonance (EPR) spectrometric measurements. The sample, together with an appropriate standard, can be studied simultaneously within such a cavity under identical states of machine tuning and parameter settings. However, even under such conditions, there still remain sources of error arising from sample size, shape and positioning of the sample tube within the cavity. In this paper such sources of error have been investigated and a procedure to minimize the errors by precision insertion of the sample tubes within the TE 104 cavity is described.

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