solid line. However, the diffusivity data for DGA and EDAdeviate considerably upward from the solid line representing Eq. (2). Nomenclature C = concentration of amine in aqueous solution [kmol/m3] D, Dw = liquid-phase diffusivities of amine in aqueous solution and at infinite dilution [m2/s] p = density of aqueous amine solution [kg/m3] V, f*w = viscosities of aqueous amine solution and of water [Pa " s]
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Shen et al. (1981) studied this question.