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Optische Methode zur Bestimmung von Diffusionskoeffizienten. Notiz zu einer Arbeit von A. van Tets und Hs. H. Günthard mit gleichem Titel

✍ Scribed by F. Grün; B. Marzetta

Publisher: John Wiley and Sons
Year: 1961
Tongue: German
Weight: 199 KB
Volume: 44
Category: Article
ISSN: 0018-019X
DOI: 10.1002/hlca.19610440744

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✦ Synopsis

From sorption experiments as described by A. VAN TETS and Hs. H. GÜNTHARD a time lag can be determined which is directly related to the diffusion coefficients D and 𝔇 of the system investigated.

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Optische Methode zur Bestimmung von Diff

Optische Methode zur Bestimmung von Diffusionskoeffizienten

✍ A. van Tets; Hs. H. Günthard 📂 Article 📅 1961 🏛 John Wiley and Sons 🌐 German ⚖ 419 KB 👁 1 views

A method for determination of surface and bulk diffusion coefficients from measurements of optical density on thin slabs is discussed. In principle the spectral absorption of a substance diffusing from gaseous phase into the slab is measured as a function of time. The limitations of the method and t