A method for the determination of diffusion coefficients for ...

由 MP di Cagno 著作 · 2018 · 被引用 52 次 — In this work, a simple but reliable method based on time-resolved concentration measurements by UV–visible spectroscopy in an unstirred aqueous ...

The diffusion coefficient is the proportionality between flux and concentration gradient. The electrode area can be determined electrochemically with equations ...

The experimental methods of measuring diffusion coefficients can be grouped into two categories: direct methods which are directly based on Fick's laws and ...

由 PC Carman 著作 · 1954 · 被引用 240 次 — For diffusion into a solid from a gas or a liquid solution, the constant-volume method of measuring the diffusion coefficient has distinct experimental ...

由 M Hamada 著作 · 被引用 9 次 — It is a technique typically used to determine the size distribution of particles in suspension. It assumes quasi-elastic scattering of light by ...

2016年10月25日 — Direct methods evaluate the diffusion coefficient by measuring concentration of the diffusing species (solvent) as a function of depth of ...

In general, the diffusion coefficient (diffusion constant, diffusivity) is a measure of the rate of material transport as a result of the random thermal ...

由 ET Parker 著作 · 2021 · 被引用 4 次 — Dynamic light scattering (DLS) is the most common method to measure the diffusion coefficient of macromolecules. We describe a procedure to ...