Phosphonate salts are the result of deprotonation of phosphonic acids, which are diprotic acids: Phosphonate esters are the result of condensation of phosphonic acids with alcohols. Several methods exist for the preparation of phosphonic acids and their salts.
1 Stir in the tomato sauce, tomato paste, vinegar, diced tomatoes, and brown sugar. Season with chili powder, Italian seasoning, and salt. Bring to a boil, reduce heat to low, and simmer 1 hour.  Mix the cornstarch and water, and stir into the salsa to thicken. Transfer salsa to sterilized jars, leaving 1/2 inch headroom, and seal. Process jars in a boiling water bath 15 minutes. Store unsealed jars in the refrigerator.
Directions. Prep. Cook. Ready In. 1  Stir tomato sauce, water, vinegar, cumin, onion powder, garlic powder, garlic salt, chili powder, paprika, sugar, and cayenne pepper together in a saucepan over low heat; cook at a simmer until slightly thickened, about 20 minutes.2  Cool sauce slightly before serving.rep. Cook. Ready In. 1  Stir tomato sauce, water, vinegar, cumin, onion powder, garlic powder, garlic salt, chili powder, paprika, sugar, and cayenne pepper together in a saucepan over low heat; cook at a simmer until slightly thickened, about 20 minutes. 2  Cool sauce slightly before serving.