FOB Price
Obtenir le dernier prix3.5 ~ 3.6 / Kilogram ( Negotiable )
|Minimum Order
Localité:
-
Prix de commande minimale:
Commande minimale:
1000 Kilogram
Packaging Detail:
25kg/carton
Delivery Time:
15 days after confirming the order
Supplying Ability:
1500 Metric Ton per Year
Payment Type:
-
Personne àcontacter Rachel
1369 Dongfang Road, Shanghai, Shanghai
| ITEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Melting point | **1 ℃ ~ **2℃ |
| pH (5%, w/v) | 2.2 ~ 2.5 |
| pH (2%,w/v) | 2.4 ~ 2.8 |
| Specific optical rotation | **0.5° ~ **1.5° |
| Clarity of solution | Clear |
| Heavy metals | ≤0.***3% |
| Assay (as C 6H 8O6, %) | *9.0 ~ **0.5 |
| Copper | ≤3 mg/kg |
| Iron | ≤2 mg/kg |
| Mercury | ≤1 mg/kg |
| Arsenic | ≤2 mg/kg |
| Lead | ≤2 mg/kg |
| Oxalic acid | ≤0.2% |
| Loss on drying | ≤0.1% |
| Sulphated ash | ≤ 0.1% |
| Residual solvents (as methanol) | ≤ **0 mg/kg |
| Total plate count (cfu/g) | ≤ ***0 |
| Yeasts & molds (cfu/g) | ≤ **0 |
| Escherichia. Coli/g | Absence |
| Salmonella/ *5g | Absence |
| Staphylococcus aureus/ *5g | Absence |
