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The developing chamber needs to be prepared because the solutions of the solute and solvent to dissolved.
What is a TLC plate?
TLC Plate Buying Guide Thin-layer chromatography (TLC), a standard analytical method for separating and identifying the chemicals in a given mixture, can also be used to assess the purity of a specific component included within that mixture. Gypsum and 60 G TLC Silica Gel Plates
What is the chamber process?
The Chamber technique, also known as the "lead-chamber process," is an industrial method for manufacturing sulfuric acid by oxidizing sulfur dioxide with moist air and employing gaseous nitrogen oxides as catalysts. The reaction is generally carried out in several sizable, box-like chambers made of sheet lead.
Simply replacing the watch glass with aluminum foil and getting the developing chamber ready before adding the TLC plates gives the solvent time to saturate, producing quicker and more repeatable results.
Therefore, the TLC plates gives the solvent time to saturate, producing quicker and more repeatable results.
Learn more about TLC plate from the given link.
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