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.
Mix equal amounts of cornstarch and liquid together to make a grainy sauce, then add it to the creamed corn. Stir and simmer slowly to allow the cornstarch time to thicken the dish. You need about 1/2 tablespoon of cornstarch per cup of creamed corn to really get the thickening process to work as desired. Incorporate a combination of flour and cream to thicken your creamed corn if it's watery. Flour is useful as a thickening agent, much like cornstarch, but when combined over heat with cream it creates a roux, thus adding a necessary creaminess to a watered-down creamed corn. Mix together 1 part flour and 2 parts cream for each cup of creamed corn and add to the dish.