Abstract
This research aims to validate the use of ion chromatography to determine fluoride anions. Determining the fluoride anion content in water is crucial to ensure its quality. Ion chromatography has proven to be efficient in this analysis, adhering to the APHA 4110B-2017 standard. Before being routinely used, the method must be verified to ensure adequate linearity, precision, accuracy, and detection limits. Testing shows a high correlation value (0.9986), with a detection limit (LoD) of 0.0034 mg/L and a quantification limit (LoQ) of 0.1132 mg/L. Precision (%RSD) is 1.02%, while accuracy (recovery) reaches 105%. Linearity analysis indicates F-calculated < F-table (1.42 < 3.18), validating the method for determining fluoride levels in water through ion chromatography.
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