Suitable acid-binding agents include but are not limited to alkali metal carbonates,alkaline earth metal carbonates, alkali metal bicarbonates, alkaline earth metal bicarbonates, alkali metal carboxylates, and alkaline earth metal carboxylates having the general formula M(COOR.sup.11).sub.v, wherein M is an alkali metal or an alkalineearth metal; R.sup.11 is an aliphatic functionality having abo