Using a Soxhlet extractor to get out my highly fluorescent product from the tarry reaction mixture. The raw reaction product is placed in the upper part of the extractor in a paper thimble and it is continuously washed with fresh solvent (in this case acetone) till the extracted solution is fluorescent. The solution flows down to the flask at the bottom where it boils and gets back on the paper thimble. The extracted compound is concentrated in the bottom flask and at the end everyth