Determination of anions on the surface of printed circuit boards by IPC-TM-650 Method 2.3.28 using HPIC

APPLICATION NOTE Beibei Huang, Jingli Hu, and Jeffrey Rohrer Keywords Dionex IonPac AS11-HC-4µm column, Dionex ICS-5000+, HPIC, Suppressed conductivity Goal To develop an accurate method for determining organic acids in kombucha using a high-pressure ion chromatography (HPIC) system with suppressed…

Application brief | 001809 Ion chromatography Improved determinations of residual anions and organic acids to evaluate printed circuit board cleanliness Authors Goal Terri Christison and Jeff Rohrer To demonstrate two techniques to improve resolution for determining specific Thermo Fisher Scientific…

Application Note 273 Higher Resolution Separation of Organic Acids and Common Inorganic Anions in Wine INTRODUCTION The flavors imparted by wine are in part due to its organic acid composition. Tartaric, citric, and malic acids are the three major organic…

Swati Gokhale and Jeff Rohrer Thermo Fisher Scientific, Inc. Appli cat i on N ote 1 4 3 Determination of Organic Acids in Fruit Juices Introduction Organic acids are important in characterizing the flavor of fruit juices. Their presence and…