Monitoring for trace anion contamination in the extracts of electronic components

APPLICATION NOTE 146 Determination of trace anions in high-purity waters by ion chromatography with the Dionex IonPac AS17 column using high-volume direct injection Authors Edward Kaiser and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords Dionex Integrion, Dionex ICS-5000+, Dionex…

APPLICATION UPDATE 157 Using a Reagent-Free ion chromatography system to monitor trace anion contamination in the extracts of electronic components Authors Sumate Pengpumkiat, Weerapong Worawirunwong, Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords Ion chromatography, IC, Dionex ICS-5000+, Integrion, carbonate…

columns IonPac AS15 Anion-Exchange Column 1.6 2 Peak 1. Fluoride 2. Chloride 3. Nitrite 4. Carbonate 5. Sulfate 6. Bromide 7. Nitrate 8. Phosphate 3 5 µS 1 4 6 7 8 B Concentration (µg/L) A B 0.018 0.48 0.12…

Terri Christison and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Reagents and Standards Carbonate, a naturally occurring anion in water and aqueous solutions, results from the dissolution of carbon dioxide gas in these solutions. In some beverages, carbon dioxide…