The Determination of Trace Anions in Concentrated Phosphoric Acid

TECHNICAL NOTE 45 Determination of trace anions in hydrofluoric acid, ammonium fluoride, and a buffered oxide etchant Authors T. Phesatcha, S. Tukkeeree, and J. Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords Ion chromatography, IC, ionexclusion pre-separation, ICE, ICE-AS1, chloride, nitrate,…

TECHNICAL NOTE 46 Determination of trace anions in concentrated glycolic acid Authors Edward Kaiser and Jeff Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords Ion chromatography, IC, Dionex ICS-5000+, glycolate, ion exclusion pre-separation, ICE Introduction There is a need for a…

chromatography Product Specifications Separate a wide variety of inorganic anions and organic acids using the Dionex IonPac™ AS11 and AS11-HC Anion-Exchange Columns with potassium hydroxide gradients. Thermo Scientific Dionex IonPac AS11 and AS11-HC Anion-Exchange Column Column: 16 21 Eluent Source:…

Technical Note 48 Determination of Trace Anions in High-Purity Water by High-Volume Direct Injection with the EG40 INTRODUCTION The use of high-volume, direct-injection techniques has improved trace anion analysis.1-3 This approach facilitates sensitivity at the low- to sub-µg/L levels without…