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SpecificationAppearance: White, odorless, crystalline powder orgranules
Identification: Positive
Specific rotation: 95.5 - 98.0º
pH value: 5.5 - 8.0
Assay(on dried basis): 98.0 - 100.5%
Heavy metals: 10ppm max.
Lead: 5ppm max.
Arsenic : 3ppm max.
Oxalate: Pass
Clarity: Pass sodium erythorbate
sodium erythorbate
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