title: Spectral determination of microdissociation constants.
mesh_terms: D055598:Chemical Phenomena; D002627:Chemistry, Physical; D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D009020:Morphine; D012995:Solubility; D013053:Spectrophotometry; D014443:Tyrosine
chemical_list: D014443:Tyrosine; D009020:Morphine