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.
How to Make It. 1  Remove and discard the stems from the jalapeÃ±os. Cut the chiles into thick rings. 2  Peel the onion, cut it in half lengthwise, and coarsely chop it. Peel the garlic cloves. 3  Put the vinegar, salt, bay leaves, and sugar in a medium saucepan. Bring to a boil over medium-high heat.  Pack the jalapeÃ±os and onions evenly into the jars.