Determination of Anions and Carboxylic Acids in Urban Fine Particles (PM2.5 )

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…

Liao Dongli,1 Xu Qun,1 and Jeffrey Rohrer2 1 Thermo Fisher Scientific, Shanghai, People’s Republic of China 2 Thermo Fisher Scientific, Sunnyvale, CA, USA Appli cat i on N ote 1 1 1 2 Determination of Anions in Breast Milk Key…

Hua Yang, Terri Christison, Linda Lopez Thermo Fisher Scientific, Sunnyvale, CA, USA Key Words Conductivity Detection, Food and Beverage, High Resolution, Total Inorganic Arsenic, 4 µm Column Goal Demonstrate the determinations of total inorganic arsenic in fruit juice using high-pressure…

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…