Table 3 Regressed parameters for HCl solutions fitted to Eq. (2).

From: Temperature-dependent complex dielectric permittivity: a simple measurement strategy for liquid-phase samples

Solution

B1

B2

B3

B4

σ

µ

Error

TMAX

Dielectric constant ε′ [–]

 Water

328.07

440.42

50.052

20.425

0.4137

− 0.35783

0.3%

161.5

 pH 2.5

100.153

251.06

133.19

0.4520

1.1311

0.00290

0.2%

165.4

 pH 2.0

257.88

527.20

64.293

4.604

0.6550

− 0.63567

0.3%

164.0

 pH 1.6

254.28

437.25

103.07

− 4.812

0.7801

− 0.32871

0.2%

162.1

 pH 1.3

170.802

93.591

22.15

61.793

0.2754

0.61419

0.2%

161.3

 pH 1.0

3.389

100.943

− 7.424

76.750

0.7132

0.21673

0.1%

163.3

Loss factor εʺ [–]

 Water

76.014

84.415

61.390

0.24264

0.8689

− 1.1598

3.0%

161.5

 pH 2.5

37.13

10,586.3

2630.04

2.4934

13.5644

− 58.4632

1.1%

165.4

 pH 2.0

5.0850

253.13

− 37.596

23.493

1.6017

0.9550

0.7%

164.0

 pH 1.6

49.807

765.6

− 177.51

93.607

1.8130

0.9576

0.3%

162.1

 pH 1.3

− 0.12798

246.07

15.783

20.938

0.7880

0.2661

0.4%

161.3

 pH 1.0

− 0.12801

218.71

8.8847

26.337

0.9260

0.2853

0.3%

163.3

  1. The standard error relative to the mean is reported for each parameter set along with the maximum temperature measured for each solvent.