Draw a faint pencil line around 1 cm from the bottom edge of the silica gel plate. Using a fresh spotter for each sample apply each of the five solutions to evenly spaced points on this line aiming to prepare a colored spot of material no more than 3 mm in diameter. Allow the application solvent to evaporate for a few moments, leaving five small colored spots.
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Draw a faint pencil line around 1 cm from the bottom edge of the silica gel plate. Using a fresh spo...
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