title: Spectrophotometric determination of zinc with biacetyl mono(2-pyridyl)hydrazone with application to its determination in tap waters and in alkali and alkaline earth metal chemicals.
mesh_terms: D004355:Drug Stability; D006863:Hydrogen-Ion Concentration; D007202:Indicators and Reagents; D008670:Metals / Q000032:analysis*; D011725:Pyridines; D014881:Water Supply / Q000032:analysis*; D015032:Zinc / Q000032:analysis*
chemical_list: D007202:Indicators and Reagents; D008670:Metals; D011725:Pyridines; C046597:biacetyl mono(2-pyridyl)hydrazone; D015032:Zinc