In detergent output, STPP is included throughout the Mixing stage to be sure it can be evenly distributed throughout the products. What does the military services rank GS-12 stand for? What limits does TSA have on packaged food items as have-on? Is there a statue in honor of Ulysses S. https://www.tjcyindustrialchem.com/news/what-is-sodium-tripolyphosphate-stpp-used-for.html