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. 1  In a large saucepan, saute onions in oil until tender; add the garlic, cook 1 minute longer. 2  Add the tomatoes, carrots, celery, broth and Worcestershire sauce. 3  Bring to a boil. 4  Reduce heat; cover and simmer for 15 minutes.5  Stir in the beans, tomato paste, chili powder and pepper.irections. 1  In a large saucepan, saute onions in oil until tender; add the garlic, cook 1 minute longer. 2  Add the tomatoes, carrots, celery, broth and Worcestershire sauce. 3  Bring to a boil. 4  Reduce heat; cover and simmer for 15 minutes.