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Table 4 Parameterization of experimental dielectric spectra according to two Debye processes for mixtures and 1 Debye process for pure fluids for x MB + (1 - x) cHEX in the 200 MHz – 20 GHz frequency range at 298.15 K. Limiting high-frequency permittivity, ε, static dielectric constant, εs, Dielectric strength, Δε, and relaxation time, τ D

From: Microwave dielectric spectroscopy of pure and mixed aromatic ester solvents

x

ε

Δε1

Δε2

τD1 /ps

τD2 /ps

χ 2

1

2.66

4.18

-

37.49

-

0.015

0.9085

2.78

3.20

0.58

31.37

149.65

0.015

0.7974

2.70

2.87

0.51

29.46

168.25

0.013

0.7021

2.63

2.52

0.46

27.76

171.19

0.014

0.5839

2.53

2.09

0.36

25.78

169.04

0.011

0.4932

2.46

1.78

0.27

25.06

174.81

0.012

0.3709

2.37

1.27

0.24

23.32

203.11

0.010

0.3050

2.31

1.03

0.22

22.76

211.52

0.008

0.2040

2.21

0.72

0.14

22.53

210.57

0.008

0.0954

2.09

0.34

0.11

24.18

186.87

0.006

0

1.95

-

0.12

-

73.98

0.005