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Stannous fluoride gel for pharmaceutical use needs to comply with USP requirements. The actual monograph (USP 42) utilizes two different methods for the identification and the assay. Ion chromatography allows the analysis of these two parameters within a single determination. In the course of the USP monograph modernization, this ion chromatographic approach makes this type of analysis even easier.


Metrohm AG

9100 Herisau