Appearance: This product is white granular crystal or crystalline powder; odorless, tasteless; weathering; slightly soluble in water, soluble in hydrochloric acid.
Page number: 2010Chinese Pharmacopoeia-526 Statutory No:CAS 5990-32-9
Product specification: Molecular formula: (C6H5O7)2Zn3?2H2O Molecular weight: 610.35
Item Index(USP32-NT28)
In(dried basis) ≥% 31.3
Loss on drying ≤% 1.0
Chloride %≤ 0.05
Sulfate %≤ 0.05
Arsenic ≤ppm 3
Cadmium ≤ppm 5
Lead ≤ppm 10
Microbial Characteristics 1000
The total aerobic microbial count ≤100cfu/g
Yeast and Mold ≤100cfu/g
Escherichia coli Meet the requirement
Packaging and storage:25kg/complex paper bag, or according to order. Keep airtight in a dry, clean, cool and ventilative place, away from light.
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