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News (1)- AN-S-380Monofluorophosphate and fluoride in sodium monofluorophosphate for pharmaceutical use
Ion chromatography (IC) with suppressed conductivity detection has been approved by the U.S. Pharmacopeia (USP) as a validated method to quantify the monofluorophosphate (MFP) content in sodium monofluorophosphate. This Application Note shows that all acceptance criteria for the USP Monograph «Sodium Monofluorophosphate» are fulfilled and the procedure was approved as a validated USP method.
- AN-S-397IC assay for sodium chloride in sodium chloride tablets for solution
As an alternative to titration, ion chromatography (IC) with suppressed conductivity detection has been approved by USP as validated method to quantify chloride content in NaCl tablets for solution or oral use.
- AN-S-399IC assay for fluoride in sodium fluoride and acidulated phosphate topical solution
Anticavity pharmaceuticals like sodium fluoride and acidulated phosphate topical solution products require strict quality control. This Application Note outlines the fluoride IC assay as described in the USP Monograph Sodium Fluoride and Acidulated Phosphate Topical Solution.
- AN-S-403Anions in lithium-ion battery solvents
N-Methylpyrrolidone (NMP) is crucial for lithium-ion battery production. Metrohm’s intelligent Preconcentration Technique with Matrix Elimination enables µg/L-level anion analysis in NMP.