Southgate, H J Comparison of a colorimetric potassium method with flame photometry and ion-selective electrodes. [electronic resource] - Annals of clinical biochemistry Jul 1991 - 412-3 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0004-5632 Standard No.: 10.1177/000456329102800418 doi Subjects--Topical Terms: ColorimetryElectrodesPotassium--bloodReagent Kits, DiagnosticSpectrophotometry