It is proposed to extend the area of application of circular separation of substances in flat-bed chroniatography by a wider use of its intermedial modifications. Equiations for calculating the basic parametersof migrationof themobile phaseand zones of separated substances are given. The known equat
Investigation of some modes of flat-bed chromatography
โ Scribed by Berezkin, V. G. ;Vinogradova, R. G. ;Rysiev, O. A. ;Chechevichkin, V. N. ;Romanov, F. I.
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 310 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0935-6304
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โฆ Synopsis
Abstract
A comparison of different chromatographic methods is presented: column liquid chromatography (CLC), thin layer chromatography (TLC), and continuousโelution flatโbed chromatography (CEFBC), which is in fact a combination of the first two methods. In CEFBC a sample is applied to a sorbent layer in a steady flow of eluent, and the components are detected directly on the layer, or immediately upon leaving it, during the separation process. It is shown that evaluation of the separation processes in CEFBC is best accomplished in terms of the parameters applicable in CLC. The reproducibility of the analytical results obtained by CEFBC is better than in the case of TLC by a factor of 6 to 10, and approaches that known for CLC.
๐ SIMILAR VOLUMES
cl-Amylases of different origins were investigated with a Synchropak propyl column and a linearly descending salt gradient in order to isolate the active fraction from among the inactive proteins present. Fractions collected by several injections were assayed for enzymatic activity by the modified W