Perchloric acid interference in sodium and potassium determinations by atomic absorption.
D055598:Chemical Phenomena; D002621:Chemistry; D004032:Diet; D005243:Feces / Q000032:analysis; D010472:Perchlorates; D011188:Potassium / Q000032:analysis*; D012964:Sodium / Q000032:analysis*; D013057:Spectrum Analysis
D010472:Perchlorates; D012964:Sodium; D011188:Potassium