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Thin-layer chromatography (TLC) is a chromatography technique that separates components in non-volatile mixtures. [1] It is performed on a TLC plate made up of a non-reactive solid coated with a thin layer of adsorbent material. [2] This is called the stationary phase. [2]
Between each sample reading, the mobile phase and filter paper are changed to ensure the best outcomes. The spot capacity (analogous to peak capacity in HPLC) can be increased by developing the plate with two different solvents, using two-dimensional chromatography. [8] The procedure begins with development of a sample loaded plate with first ...
Paper chromatography is a technique that involves placing a small dot or line of sample solution onto a strip of chromatography paper. The paper is placed in a container with a shallow layer of solvent and sealed. As the solvent rises through the paper, it meets the sample mixture, which starts to travel up the paper with the solvent.
The major difference between Journal of Chromatography A and Journal of Chromatography B is the focus being on preparative chromatography instead of analytical chromatography. The split of the Journal of Chromatography into two journals occurred in late 1993, with volume 652 being the first for Journal of Chromatography A .
Gidding's work in separation sciences shed light on the chromatographic processes, as well as other separation techniques, including non-equilibrium, [5] diffusion & eddy diffusion, [6] pressure changes, [7] flow in paper and thin-layer chromatography, [8] preparative-scale, and programmed-temperature gas chromatography (GC), [9] exclusion ...
Chromatography separates dissolved substances by different interaction with (i.e., travel through) a material. High-performance liquid chromatography (HPLC) Thin-layer chromatography (TLC) Countercurrent chromatography (CCC) Droplet countercurrent chromatography (DCC) Paper chromatography; Ion chromatography; Size-exclusion chromatography (SEC)