Flame photometer determinations of sodium and potassium in relation to possible interference by phosphate.
D000838:Anions; D010710:Phosphates; D010783:Photometry; D011188:Potassium; D017680:Potassium Compounds / Q000032:analysis*; D012964:Sodium; D017670:Sodium Compounds / Q000032:analysis*; D012982:Sodium, Dietary
POTASSIUM AND COMPOUNDS/determination; SODIUM AND COMPOUNDS/determination