What is claimed is:
1. A method for the preparation of a composition comprising poly(D,L-lactic-co-glycolic acid) substantially free of acidic impurities, said method comprising:
contacting poly(D,L-lactic-co-glycolic acid) containing acidic impurties with a solid base;forming a salt of the acidic impurity; andseparating the poly(D,L-lactic-co-glycolic acid) from the salt of the acidic impurity.
This application is a Divisional of U.S. patent application Ser. No. 15/341,160, filed on Nov. 2, 2016, which is a Continuation of U.S. patent application Ser. No. 12/729,603, filed on Mar. 23, 2010, the disclosures of which is incorporated herein by reference, which claims the benefit of U.S. Provisional Application...