ITEMS	STANDARD
Identification	Meets the requirements
Organic volatile impurities	Meets the requirements
Reducing substances	Meets the requirements
Oxalic acid, %	Meets the requirements
Assay, %	97.0-102.0
Water, %	6.5-10.0
Chloride, %	0.07max
Sulfate, %	0.1 max
Lead, %	0.001 max
Arsenic, ppm	3 max
Fe 3+ , %	2.0 max
Conclusion Compiles with the requirements of USP31Ed