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Diffusion coefficient of 1-L-phenylalanyl-L-proline into cyclohepta-amylose and dideuterium oxide

  • Jochen Winkelmann
Chapter
Part of the Physical Chemistry book series (volume 15B2)

Abstract

This chapter provides the diffusion coefficient of 1-L-phenylalanyl-L-proline into cyclohepta-amylose and dideuterium oxide at different concentrations measured using NMR diffusion ordered spectroscopy.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.3. Diffusion in Ternary Mixtures

C14 H18 N2 O3

(1)

1-L-phenylalanyl-L-proline

7669-65-0

C42 H70 O35

(2)

cyclohepta-amylose

7585-39-9

D2 O

(3)

dideuterium oxide

7789-20-0

Intradiffusion Coefficient: DiT (x i ); T = 300 ± 1.0 K; Method: NMR DOSY

Ref.: [1995L12]

c1 [mol/L]

c2 [mol/L]

p [kPa]

D1T ⋅ 109 [m2/s]

D2T ⋅ 109 [m2/s]

D3T ⋅ 109 [m2/s]

0.0062*

0.010

101.325

0.469 ± 0.023

0.302 ± 0.012

 

0.0062**

0.010

101.325

0.516 ± 0.023

0.302 ± 0.012

 

0.0094*

0.010

101.325

0.478 ± 0.005

0.330 ± 0.002

 

0.0094**

0.010

101.325

0.545 ± 0.010

0.330 ± 0.002

 

0.0120*

0.010

101.325

0.481 ± 0.009

0.320 ± 0.006

 

0.0120**

0.010

101.325

0.566 ± 0.021

0.320 ± 0.006

 

0.0155*

0.010

101.325

0.495 ± 0.009

0.325 ± 0.012

 

0.0155**

0.010

101.325

0.541 ± 0.005

0.325 ± 0.012

 

0.180*

0.010

101.325

0.536 ± 0.007

0.316 ± 0.002

 

0.180**

0.010

101.325

0.539 ± 0.007

0.316 ± 0.002

 

Comment: *: cis-form of component 1; **: trans-form of component 1

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

c i

molarity

NMR DOSY

NMR diffusion ordered spectroscopy

References

  1. [1995L12]
    Lin M., Jayawickrama, D. A., Rose, R. A., DelViscio, J. A., Larive, C. K.: Anal. Chim. Acta 307 (1995) 449–457.CrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany 2018

Authors and Affiliations

  • Jochen Winkelmann
    • 1
  1. 1.Universität Halle-Wittenberg, Institut für Physikalische ChemieHalle/S.Germany

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