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Diffusion coefficient of ethylurea in water

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

Abstract

This chapter provides the diffusion coefficient of ethylurea in water at different concentrations measured using Gouy interferometry.

3 Diffusion in Liquid Mixtures

3.1. Data

3.1.1. Diffusion in Binary Mixtures

C3 H8 N2 O

(1)

ethylurea

625-52-5

H2 O

(2)

water

7732-18-5

Mutual Diffusion Coefficient: D12(ci); T = 298.15 K; Method: G-INT

Ref.: [1981S1]

c1 [mol/L]

p [kPa]

D ⋅ 109 [m2/s]

 

0.100

101.32

0.979

 

0.500

101.32

0.913

 

0.800

101.32

0.860

 

1.200

101.32

0.794

 

1.700

101.32

0.749

 

2.300

101.32

0.690

 

2.800

101.32

0.643

 

Mutual Diffusion Coefficient: D12(c1); Method: G-INT

Ref.: [1981S1]

Equation: D = A + B x + C x2 + E x3

Range: 0.0 < c1/mol L−1 < 2.8

Comment: D12 [m2/s] = D ∙ 10−9

Parameter:

T [K]

A

B

C

E

Std-Dev

 

298.15

1.0031

−0.2154

0.0478

−0.00595

0.0046

Symbols and Abbreviations

Short Form

Full Form

D

diffusion coefficient

p

pressure

T

temperature

c i

molarity

G-INT

Gouy interferometry

References

  1. [1981S1]
    Sartorio, R., Padulano, P., Costantino, L., Vitagliano, V.: J. Solution Chem. 10 (1981) 111–119.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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