Re: Assay of flouride levels in drinking water.

摘要: To the Editor: With great interest we read article about fluoride levels in drinking water central province of Saudi Arabia.1 In this study, concentration was measured by atomic absorption spectrophotometry method. ere are some standard methods for assay scientific literature, which include: 1) ion-selective electrode, 2) colorimetry, 3) complexone, 4) ion chromatography, and 5) electrometry. 2,3 Atomic is usually used cationic metal ions such as potassium, iron, lead, etc.3 a questionable method has not been documented.