Preparing your own Chromatotron Plates - Part 7
Step Twenty-one

Scrape the plate gently over waste receptacle. Use a steady motion as to avoid creating ridges on the surface.

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Step Twenty-two

Assemble the finishing blade as shown in the picture and repeat step twenty-one with this assembly.

Step Twenty-three

Use a nitrogen or air line to gently blow off excess silica dust under the fume hood.

Step Twenty-four

Place the plate in an oven set at 40-50oC for one hour just prior to use.

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