The eluent is optimized in small scale pretests, often using thin layer chromatography ( TLC ) with the same stationary phase.
12.
A solution of " para "-anisaldehyde in acid and ethanol is a useful stain in thin layer chromatography.
13.
In other types of chromatography with a solid stationary phase, such as thin layer chromatography the analyte is selectively adsorbed onto the solid.
14.
This is usually done by high-performance liquid chromatography ( HPLC ), but can also use the simpler technique of thin layer chromatography.
15.
SSI has been used in a manner similar to desorption electrospray ionization for ambient ionization and has been coupled with thin layer chromatography in this manner.
16.
Ehrlich's reagent is also used as a stain in thin layer chromatography and as a reagent to detect urobilinogen in fresh, cool urine.
17.
Additionally, vanillin can be used as a general-purpose stain for developing thin layer chromatography plates to aid in visualizing components of a reaction mixture.
18.
The retardation factor, " R f ", is commonly used in paper chromatography and thin layer chromatography for analyzing and comparing different substances.
19.
As a suitable marker for the distinction of Echinacea species, it is often assayed using RP-HPLC and Thin layer chromatography ( TLC ) methods.
20.
In 1906 botanist Mikhail Tsvet invented paper chromatography, an early predecessor to thin layer chromatography, and used it to separate and examine the plant proteins that make up chlorophyll.
