the dosage form was immersed in 1000 mL SGFsp pH 1.8 and after 30 min, this medium was replaced by either USP phosphate buffer pH 6.8 or Hanks (hydrogen carbonate) buffer pH 6.8.
the dosageform was immersed in 1000 mL SGFsp pH 1.8 and after30 min, this medium was replaced by either USP phosphate buffer pH 6.8 or Hanks (hydrogen carbonate) buffer pH 6.8.