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Silver and ammonium in etching baths containing hydrofluoric acid

Ion chromatography is often used to determine medium to low concentrations of metals in etching solutions and electroplating baths. Because such solutions and baths often contain high ionic matrices, Metrohm Inline Dilution is used here.

An example of a typical ion chromatography application is the determination of silver in the mg/L range along with ammonium in the g/L range in etching baths containing hydrofluoric acid.