Direct potentiometric determination of potassium and sodium in blood, plasma, and serum.
D004566:Electrodes; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008722:Methods; D011188:Potassium / Q000097:blood*; D011199:Potentiometry; D012964:Sodium / Q000097:blood*
D012964:Sodium; D011188:Potassium