Stains for Developing TLC Plates - McMaster University

Stains for Developing TLC Plates Once a TLC has been developed, it is frequently necessary to aid in the visualization of the components of a reaction mixture. This is true primarily because most organic compounds are colorless. Frequently, the organic compounds of interest contain a chromophore which may be visualized by employing either a short or a long wave UV lamp. These lamps may be found as part of a standard organic chemistry research or teaching lab. Typical examples of functional groups which may be visualized through this method are aromatic groups, , -unsaturated carbonyls, and any other compounds containing extensively -conjugated systems.

less expensive than glass, are heat-impervious, the silica gel is very tightly bound to the backing, and are so thin that, if desired, a particularly ... This stain is an excellent multipurpose visualization method for examining TLC plates. It is sensitive to most functional groups, especially

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