Active Member
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[China]
Address: Room 2006,Unit1,xiaozhuang international plaza qixia dist,nanjing China
Contact name:Andy
Nanjing Green Helper Enviro Protection Tech Co.,Ltd |
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Vitamin C Sodium Ascorbate Specification:
| ITEM | STANDARD |
| Appearance | White to slightly yellow crystalline powder |
| Identification | Positive |
| Assay (as C 6H 7NaO 6) | 99.0 -101.0% |
| Specific optical rotation | +103° -+106° |
| Clarity of solution | Clear |
| pH (10%, W/V ) | 7.0 - 8.0 |
| Loss on drying | ≤0.25% |
| Sulphate (mg/kg) | ≤ 150 |
| Total heavy metals | ≤0.001% |
| Lead | ≤0.0002% |
| Arsenic | ≤0.0003% |
| Mercury | ≤0.0001% |
| Zinc | ≤0.0025% |
| Copper | ≤0.0005% |
| Residual Solvents (as Menthanol) | ≤0.3% |
| Total plate count (cfu/g) | ≤1000 |
| Yeasts & molds (cuf/g) | ≤100 |
| E.coli/ g | Negative |
| Salmonella/ 25g | Negative |
| Staphylococcus aureus/ 25g | Negative |
