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Application Notes

ARTICLES

Measurement of TOC in Electroplating Solution by TOC-L CSH

As the salt concentration in plating solutions is typically more than just a few percent, this could adversely affect direct measurement using a typical combustion catalytic oxidation type TOC analyzer. Therefore, the sample must be diluted before measurement, and because the Shimadzu TOC combustion catalytic oxidation type analyzer is equipped with an automatic dilution feature, high-salt-concentration samples can be measured by automatically diluting the sample. Here, we introduce an example of measurement of a nickel plating solution containing nickel sulfamate using the Shimadzu TOC-L CSH analyzer.
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Cleaning Validation by TOC Analyzer

Cleaning validation ensures that the quantity of residual substances collected from the surfaces of the production-related equipment in pharmaceutical manufacturing facilities is within the permissible limit. Three TOC measurements methods are available to perform validation. This note examines the features of each method to determine which method is most effective.
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