Excited state dynamics of neutral and anionic forms of 2-((2- hydroxybenzylidene)amino)phenol (HBAP). a Schiff base. has been elucidated using time resolved fluorescence spectroscopy. The neutral molecule exhibits keto-enol tautomerism. http://www.roneverhart.com/Pica-Limon-Salt-Lemon-Spicy-Powder-Packs-100-Piece-Bag/