Assay of potassium bitartrate using ion chromatography

APPLICATION NOTE 73482 Determination of ammonia impurity in potassium bitartrate using ion chromatography Authors: Beibei Huang and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA Keywords: Dionex IonPac CS16 column, suppressed conductivity detection, pharmaceutical, USP Monograph, drug substance, RFIC system Goal…

Jingli Hu and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Appli cat i on N ote 1 1 4 8 Assay of Nitrite and Determination of Nitrate Impurity in Sodium Nitrite Using a Reagent-Free Ion Chromatography System Key Words…

APPLICATION NOTE 73345 Determination of oxalate in cromolyn sodium Authors: Sachin Patil and Jeffrey Rohrer, Thermo Fisher Scientific, Sunnyvale, CA, USA Keywords: RFIC, Dionex IonPac AS20 column, USP monograph, suppressed conductivity, pharmaceuticals, drug substance, ion chromatography Goal To develop an…

Lipika Basumallick and Jeffrey Rohrer Thermo Fisher Scientific, Sunnyvale, CA, USA Key Words High-Pressure Ion Chromatography, Suppressed Conductivity, Fast Separation, Pharmaceuticals, Drug Products, Dionex IonPac AS18-4 µm Column Introduction Adenosine (Figure 1) is a nucleoside composed of adenine attached to…