Characterization of the murexide method: dual-wavelength spectrophotometry of cations under physiological conditions.
D001463:Barbiturates / Q000031:analogs & derivatives; D001665:Binding Sites; D002118:Calcium / Q000032:analysis*; D002412:Cations; D006863:Hydrogen-Ion Concentration; D008274:Magnesium; D008433:Mathematics; D009114:Murexide / Q000031:analogs & derivatives; D013053:Spectrophotometry / Q000379:methods
D001463:Barbiturates; D002412:Cations; D009114:Murexide; D008274:Magnesium; D002118:Calcium