[Ion Chromatography Data] Measurement of Impurities in Ammonium Hydroxide
Automating the concentration process involving neutralization and matrix removal in ion chromatography to measure impurities in high-purity ammonium hydroxide used in semiconductor manufacturing.
In the semiconductor industry, ultra-high purity reagents are required. The presence of ionic impurities can compromise the quality of the products. This application presents the measurement results of anionic impurities in a 28% semiconductor-grade ammonium hydroxide solution. To avoid the influence of the matrix, measurements were conducted using concentration techniques involving inline neutralization and matrix removal.
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Metrom AG, based in Herisau, Switzerland, is a leading company specializing in ion analysis with over 70 years of history. It provides products and services in more than 140 countries worldwide. Based on Swiss technology developed over many years, the equipment comes with a 3-year warranty.