Uses and abuses of the flame photometer.
D010783:Photometry; D011188:Potassium / Q000097:blood*; D012964:Sodium / Q000097:blood*; D012982:Sodium, Dietary; D013053:Spectrophotometry / Q000295:instrumentation*; D013057:Spectrum Analysis
D012982:Sodium, Dietary; D012964:Sodium; D011188:Potassium
POTASSIUM/in blood; SODIUM/in blood; SPECTROPHOTOMETERS