title: Determination of heme a concentration in cytochrome preparations by hemochromogen method.
mesh_terms: D002623:Chemistry Techniques, Analytical; D003580:Cytochromes; D003576:Electron Transport Complex IV; D006418:Heme; D013057:Spectrum Analysis
chemical_list: D003580:Cytochromes; D006418:Heme; D003576:Electron Transport Complex IV