Use of Electron Paramagnetic Resonance Spectroscopy to Study Dielectric Properties of Liquids

Figure 5

TEMPO reference EPR signal intensity (arbitrary units) as a function of dielectric constant for various dioxane (ε = 2.14)/water (ε = 81.3) mixtures [8]. The 3/4 mm coaxial tube assembly was used. Error bars of 3.5% are shown as discussed in the text.