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Test Item
|
Specification
|
Test method or Reference
|
Appearance
|
White crystalline powder
|
GB、FCC、USP-NF、JECFA、EP、 EU231/2012
|
Assay (on anhydrous basis)
|
98.0 ~102.0%
|
GB、FCC、USP-NF、EP、EU231/2012
|
Water
|
≤2.0%
|
GB、FCC、USP-NF、JECFA、EP、 EU231/2012
|
Methanol
|
≤0.1%
|
GB、FCC、USP-NF、JECFA、 EU231/2012
|
Heavy Metals (as Pb)
|
≤10 mg/kg
|
GB
|
Arsenic
|
≤3 mg/kg
|
GB
|
Lead
|
≤1 mg/kg
|
GB
|
Particle Size
|
Through 60 mesh ≥90%
|
Internal method
|
Total Aerobic Plate Count
|
≤250 CFU/g
|
GB
|
Coliforms
|
﹤3 MPN/g
|
GB
|
Yeast Count
|
≤50 CFU/g
|
GB
|
Mold Count
|
≤50 CFU/g
|
GB
|
Escherichia Coli
|
Negative/25g
|
GB
|
Staphylococcus aureus
|
Negative/25g
|
GB
|
Shigella
|
Negative/25g
|
GB
|
Salmonella
|
Negative/25g
|
GB
|