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Vitamin C for Food Additive or Pharmaceutical Grade (Coated 97%)
| Price | $5.60 |
|---|---|
| Min Order | 500 kg |
| Availability | In Stock |
| Shipping From | Tianjin, China |
| Popularity | 361 people viewed |
Model NO.:
Coated 97%
Packaging Material:
Paper
Storage Method:
Normal
Shelf Life:
>12 Months
Type:
Antioxidant
Resource:
Chemosynthesis
Shelf Time:
2 Years
Storage:
Keep in Cool, Dry and Closed Place
Molecular Formula:
C6h8o6
Trademark:
OEM
Transport Package:
25kg Carton or Fiberdrum With 2 Layers of PE Liner
Specification:
Bp2008/Usp31
Origin:
China
HS Code:
29369000
Product Description
Appearance: White or almost white granular pass
Odor: Odorless or almost odorless
Identification: Positive Reaction
Heavy Metals (lead) <10ppm
Arsenic <3ppm
Loss on drying((1g, silica gel, 24h) 0.15% max
Residue on ignition 0.1% max
Assay (Calculated on the dried basis) 97.5- 98.0%
Fineness: A. Through 20 Mesh 98% b. Through 100 Mesh 25%
Microbiology Max. 500aerobe/g Max. 100 fungus/g
The absence of E. Coli
Storage: Kept in cool, dry and closed place
Shelf-life: 2 years
Odor: Odorless or almost odorless
Identification: Positive Reaction
Heavy Metals (lead) <10ppm
Arsenic <3ppm
Loss on drying((1g, silica gel, 24h) 0.15% max
Residue on ignition 0.1% max
Assay (Calculated on the dried basis) 97.5- 98.0%
Fineness: A. Through 20 Mesh 98% b. Through 100 Mesh 25%
Microbiology Max. 500aerobe/g Max. 100 fungus/g
The absence of E. Coli
Storage: Kept in cool, dry and closed place
Shelf-life: 2 years
| TEM | STANDARD |
| Appearance | White or almost white crystal or crystalline powder |
| Identification | Positive |
| Melting point | 191 °C ~ 192°C |
| pH (5%, w/v) | 2.2 ~ 2.5 |
| pH (2%,w/v) | 2.4 ~ 2.8 |
| Specific optical rotation | +20.5° ~ +21.5° |
| Clarity of solution | Clear |
| Heavy metals | ≤0.0003% |
| Assay (as C 6H 8O6, %) | 99.0 ~ 100.5 |
| 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) | ≤ 500 mg/kg |
| Total plate count (cfu/g) | ≤ 1000 |
| Yeasts & molds (cfu/g) | ≤ 100 |
| Escherichia. Coli/g | Absence |
| Salmonella/ 25g | Absence |
| Staphylococcus aureus/ 25g | Absence |
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