title: An improved method for standardization of microspectrofluorometers.
mesh_terms: D002104:Cadmium; D008722:Methods; D013050:Spectrometry, Fluorescence / Q000592:standards*; D013440:Sulfides; D015032:Zinc
chemical_list: D013440:Sulfides; D002104:Cadmium; D015032:Zinc