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.
1 To make the filling, beat the butter until creamy, then add the icing sugar in three lots, beating well between each addition. 2  Add the vanilla extract and stir to combine. 3  Spread the flat side of one of the cold sponges with the jam, adding a few fresh raspberries too, if you like.ethod. 1  Heat the oven to 180Â°C/gas 4. Butter two 20cm sandwich tins and line with greaseproof paper. 2  Click here to see how to do this. 3  Beat together the butter and sugar until the mixture looks pale and fluffy.