(a) Final solution.
The final product shall be a 16.5 ±1.5 percent solution of globulin containing 0.3 molar glycine and a preservative.
(b) Protein composition.
At least 96 percent of the total protein shall be immunoglobulin G (IgG), as determined by a method that has been approved for each manufacturer by the Director, Center for Biologics Evaluation and Research, Food and Drug Administration.
Code of Federal Regulations
[38 FR 32089, Nov. 20, 1973, as amended at 64 FR 26287, May 14, 1999]