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. https://www.infonoticiasgandia.com/product-category/stainless-steel-food-pans/