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Evaluation of a rapid technique for measuring the diffusion coefficients of small molecules
Author(s) -
Lemaguer Marc,
Wolfe F. H.,
Smyrl T. G.
Publication year - 1976
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690220223
Subject(s) - schlieren , diffusion , chemistry , lens (geology) , optics , analytical chemistry (journal) , chromatography , thermodynamics , physics
The diffusion coefficients of sucrose, glycol, and glycine in water have been measured at 25.0°C by using the schlieren optical system of a preparative ultracentrifuge. The schlieren optical system was modified by the incorporation of a 35 mm single lens reflex camera. The values obtained were well within 2% of values found in existing literature and had an intrinsic precision of better than 2%.
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