» Ceftazidime for Injection is a sterile mixture of Sterile Ceftazidime and Sodium Carbonate or Arginine. It contains not less than 90.0 percent and not more than 105.0 percent of ceftazidime (C₂₂H₂₂N₆O₇S₂) on the dried and sodium carbonate- or arginine-free basis, and not less than 90.0 percent and not more than 120.0 percent of the labeled amount of ceftazidime (C₂₂H₂₂N₆O₇S₂).