New methods for identification of Alismatis Rhizoma by means of electrophoresis, paper partition chromatography, and thin-layer chromatography.

Identification of Barbiturates by Thin-layer Chromatography.

in cases of overdose and identification of the actual barbiturate concerned may be impossible because of the closely similar Rf values of this group. Jackson (1960) described treatment with hot sulphuric acid before paper chromatography to distinguish between barbiturates of similar chromatographic mobility. The inert nature of the silica gel supporting medium used in thin-layer separations ena...

Study of phenylketonuria by paper chromatography

Identification of some lipid peroxides by thin-layer chromatography.

Solvent systems are described which permit class separations of various peroxidized lipids by thin-layer chromatography. This procedure has proved useful in biological studies and for testing the deterioration of lipids. Proof is given that the least polar peroxides of methyl esters, glycerides, and fatty acids are monoperoxides; it is then assumed that the least polar peroxides in the other te...

Determination of carotenes by thin-layer chromatography.

The carotenoids of yellow, red and tangerine tomato fruits were separated and identified by thin-layer chromatography (TLC). β-carotene is extracted with a mixture content hexan and acetone. The various systems of adsorbents and solvents for TLC of carote and tomato carotenes were examined, and it was revealed that the most suitable TLC system for separation and identification was silica gel pl...

Thin-Layer (Planar) Chromatography

Garrido JL and Zapata M (1996) Ion-pair reversed-phase high-performance liquid chromatography of algal chlorophylls. Journal of Chromatography A 738: 285. Hodgson DA, Wright SW and Davies N (1997) Mass spectrometry and reverse phase HPLC techniques for the identiRcation of degraded fossil pigments in lake sediments and their application in palaeolimnology. Journal of Paleolimnology 18: 335. Jef...