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Table 5 The standard apparent molar expansibility (\(E_{\varphi }^{0}\)), thermal expansion coefficient (\(\alpha\)), Hepler's constant \((\partial^{2} V_{\varphi }^{0} /\partial T^{2} )_{P}\) of D( +)-glucose in water and in the aqueous ionic liquids solutions at T = (298.15 to 318.15) K and under atmospheric pressurea

From: Unraveling the effect of choline-based choline based ionic liquids on the physicochemical properties and taste behavior of D( +)-glucose in aqueous solutions

T/K

Eφ0 (m3·mol−1·K−1)

103 \(\alpha (\) K−1)

102 \((\partial^{2} V_{\varphi }^{0} /\partial T^{2} )_{P}\)

D( +)-glucose in water

 298.15

0.057

5.20

− 0.0200

 303.15

0.057

5.15

 308.15

0.056

5.10

 313.15

0.056

5.05

 318.15

0.055

4.99

D( +)-glucose in aqueous solutions of [Ch][Sal] (0.0298 mol.kg−1)

 298.15

0.065

5.81

− 4.2600

 303.15

0.063

5.60

 308.15

0.061

5.40

 313.15

0.058

5.19

 318.15

0.056

4.99

D( +)-glucose in aqueous solutions of [Ch][Sal] (0.0606 mol.kg−1)

 298.15

0.058

5.18

5.3000

 303.15

0.061

5.40

 308.15

0.063

5.63

 313.15

0.066

5.84

 318.15

0.069

6.06

D( +)-glucose in aqueous solutions of [Ch][Sal] (0.0901 mol.kg−1)

 298.15

0.061

5.48

5.7000

 303.15

0.064

5.72

 308.15

0.067

5.96

 313.15

0.070

6.19

 318.15

0.073

6.42

D( +)-glucose in aqueous solutions of [Ch][For] (0.0305 mol.kg−1)

 298.15

0.118

10.7

− 0.0010

 303.15

0.109

9.89

 308.15

0.101

9.092

 313.15

0.093

8.311

 318.15

0.084

7.536

D( +)-glucose in aqueous solutions of [Ch][For] (0.0595 mol.kg−1)

 298.15

0.077

6.881

− 0.0002

 303.15

0.075

6.735

 308.15

0.074

6.588

 313.15

0.072

6.445

 318.15

0.071

6.302

D( +)-glucose in aqueous solutions of [Ch][For] (0.0895 mol.kg−1)

 298.15

0.062

5.522

0.0011

 303.15

0.067

6.006

 308.15

0.073

6.487

 313.15

0.079

6.959

 318.15

0.084

7.431

D( +)-glucose in aqueous solutions of [Ch][Ace] (0.0298 mol.kg−1)

 298.15

0.059

5.302

− 0.0021

 303.15

0.049

4.355

 308.15

0.038

3.414

 313.15

0.028

2.477

 318.15

0.017

1.543

D( +)-glucose in aqueous solutions of [Ch][Ace] (0.0599 mol.kg−1)

 298.15

0.048

4.328

− 0.0002

 303.15

0.047

4.233

 308.15

0.047

4.140

 313.15

0.046

4.046

 318.15

0.045

3.954

D( +)-glucose in aqueous solutions of [Ch][Ace] (0.0897 mol.kg−1)

 298.15

0.060

5.319

− 0.0006

 303.15

0.056

5.018

 308.15

0.053

4.723

 313.15

0.05

4.427

 318.15

0.047

4.134

  1. aThe standard uncertainties for molality, temperature and pressure were u (m) = 0.001 mol kg−1, u (T) = 0.2 K, u (P) = 10.5 hPa, respectively with level of confidence 0.68