Page 598 - Modelling in Transport Phenomena A Conceptual Approach

578 APPENDIX D. PHYSICAL PROPERTIES

Table D.3 Experimental values of binary diffusion coefficients at 101.325 kPa.

Substance T DAB
K m2/ s
Gases

Air - C02 317.2 1.77 x

Air - Ethanol 313 1.45 x

Air - Naphthalene 300 0.62 x

Air - H20 313 2.88 x
H2 - Acetone 296 4.24~

N2 - SO2 263 1.04 x
Liquids

NH3 - HzO 288 1.77 x

Benzoic acid - HzO 29s 1.21 x 10-9

C02 - H20 298 1.92 x

Ethanol - H20 283 0.84 x 10-9

Solids

Bi - Pb 293 1.1 x

H2 - Nickel 358 1.16 x

02 - Vdc. Rubber 298 0.21 x