Specification Test Results

• USP - Assay (as C₆H₈O₇) (calculated on anhydrous basis):
  99.5 - 100.5 %
• USP - Clarity of Solution:
  Passes Test
• USP - Color of Solution:
  Passes Test
• USP - Identification:
  Passes Test
• USP - Water (H₂O):
  7.5 - 9.0 %
• USP - Residue on Ignition:
  ≤0.1 %
• USP - Readily Carbonizable Substances:
  Passes Test
• USP - Oxalic Acid:
  ≤0.036 %
• USP - Sulfate (SO₄):
  ≤0.015 %
• EP/BP - Assay (as C₆H₈O₇) (calculated on anhydrous basis):
  99.5 - 100.5 %
• EP/BP - Identification B:
  Passes Test
• EP/BP - Identification E:
  Passes Test
• EP/BP - Oxalic Acid:
  ≤360 ppm
• EP/BP - Sulfate (SO₄):
  ≤150 ppm
• EP/BP - Ash (sulfated):
  ≤0.1 %
• EP/BP - Appearance of Solution:
  Passes Test
• EP/BP - Readily Carbonizable Substances:
  Passes Test
• EP/BP - Water (H₂O):
  7.5 - 9.0 %
• JP - Assay (C₆H₈O₇) (anhydrous basis):
  99.5 - 100.5 %
• JP - Clarity and Color of Solution:
  Passes Test
• JP - Heavy Metals (as Pb):
  ≤10 ppm
• JP - Identification:
  Passes Test
• JP - Oxalic Acid:
  ≤360 ppm
• JP - Readily Carbonizable Substances:
  Passes Test
• JP - Residue on Ignition:
  ≤0.10 %
• JP - Sulfate (SO₄):
  ≤150 ppm
• JP - Water (H₂O):
  7.5 - 9.0 %
• Endotoxin Concentration (IU/mg):
  ≤0.5