» Aluminum Subacetate Topical Solution yields, from each 100 mL, not less than 2.30 g and not more than 2.60 g of aluminum oxide (Al₂O₃), and not less than 5.43 g and not more than 6.13 g of acetic acid (C₂H₄O₂). It may be stabilized by the addition of not more than 0.9 percent of boric acid.