Manual Spraying of TLC Plates

It must always be assumed that the aerosols formed during spraying are toxic. This means extra precautions There should be a good extraction system, and protective goggles, disposable gloves and a dust mask should be worn. 

The spraying of TLC plates is a simple and rapid method of derivatizing substances. However, the coating produced is usually more inhomogeneous than that obtained by dipping. Moreover, it is more difficult to apply controlled amounts of the reagent. 

Examples of derivatizations by spraying flavonoid-containing phytopharmaceuticals 

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