| ≥1 piece |
Appearance: This product is white granular crystal or crystalline powder; odorless, tasteless; weathering ; slightly soluble in water, soluble in hydrochloric acid.
Page number: 2010 Chinese Pharmacopoeia -526 Statutory No ： CAS 5990-32-9
Product specification: Molecular formula: (C 6 H 5 O 7 ) 2 Zn 3 ·2H 2 O 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.