State Key Laboratory of Discovery and Utilization of Functional Components in Traditional Chinese Medicine, School of Pharmaceutical Sciences, Guizhou Medical University, Guiyang 550004, P. R. China ...

4. Carbonated Drinks and Fruit Juice Carbonated drinks and store-bought fruit juice often contain acid to add flavor and extend their shelf life. Phosphoric acid gives cola its tart taste, helps stop ...

Andrew Brookes/ Getty Images The acid-test ratio (ATR), also commonly known as the quick ratio, measures the liquidity of a company by calculating how well current assets can cover current ...