DEA, frequently used as a diluent for PNPP in ELISA assays Also known as bis [2-hydroxyethyl] amine or 2,2'-Iminodiethanol Reagent Grade Refractive Index (300°C): 1.473-1.476 Specific Gravity (300/200°C): 1.09 15% water has been added to maintain a liquid state…