Application Note: TOC Determination in Phosphoric Acid by UV Digestion
20 February 2019

Phosphoric acid is used in many industries, for example, in the production of fertilizers and detergents or in food industries as a preservative in beverages or as an antioxidant in meat products. The monitoring of impurities in phosphoric acid is crucial for these kinds of applications. In addition to other parameters, the TOC is used as a sum parameter in quality control that addresses the whole range of contamination by organic impurities.