Today we will be making some fluorescein! I bought the resorcinol off ebay, and I used the phthalic anhydride that I made in a previous video. The mechanism and procedure that I adapted mine from can be found here: http://sites.uci.edu/chem52labs/files/2014/03/M52LC_Experiment1S13.pdf Extraction from highlighter markers: https://www.youtube.com/watch?v=zIpoLiesBgg Nile talks about lab safety: https://youtu.be/ftACSEJ6DZA -------------------------------- Patreon: https://www.patreon.com/nil