Thin Layer Chromatography TLC Chemically bonded C 8 on precoated HPTLC plates tested 6 dialcylphthalates used as test substances 1520% (v/v) water in organic solvents, upper practical limit as 11-50 min migration time for linear TLC, 50 mm height mobile phase composition
The use of chemically bonded stationary phases in thin-layer chromatography-a survey
β Scribed by Th. Brinkman, U. A. ;de Vries, G.
- Publisher
- John Wiley and Sons
- Year
- 1982
- Tongue
- English
- Weight
- 501 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0935-6304
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β¦ Synopsis
Abstract
An overview is given of the literature publisned in the field of thinβlayer chromatography on chemically bonded phases. Aspects which merit further attention are: quantitative analysis, organic solvent selection, stationary phase characteristics, surface modification of precoated silica plates, ionβpair chromatography and correlation of thinβlayer and column chromatographic data.
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Cellulose triphenylcarbamate derivatives have been used as stationary phases for resolution of the enantiomers of the β€-blockers propranolol and bupranolol by TLC. The derivatives examined were: cellulose trisphenylacarbamate (1), cellulose tris(2,3-dichlorophenyl carbamate) (2), cellulose tris(2,4-