[Use of flame photometry for the determination of sodium and potassium].
D000821:Animal Feed / Q000032:analysis; D010783:Photometry / Q000379:methods*; D011188:Potassium / Q000032:analysis*; D012964:Sodium / Q000032:analysis*
D012964:Sodium; D011188:Potassium
Primenenie plamennoĭ fotometrii dlia opredeleniia natriia i kaliia