Measurethediffusioncoefficient

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 ...

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

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 ...

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 ...

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 ...

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 ...

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