Address £º | Room A-706, |
Wisdom Center, | |
No.10 Moonbay Road, | |
Industrial Park, | |
Suzhou, China | |
Tel£º | +86-512-6999-5251 |
Fax£º | +86-512-6999-5250 |
E-mail£º | info@yiko-chem.com |
Vitamins >> Vitamin C
Product Name :Ascorbic Acid (Vitamin C)
Items | Standard |
Appearance | White crystalline powder |
Identification | Positive |
Clarity of solution | Clear |
Color of solution | ≤BY7 |
Assay | 99.0~100.5% |
Loss on Drying | ≤0.4% |
Residue on ignition | ≤0.1% |
Sulphate Ash | ≤0.1% |
Specific rotation | +20.5°~ +21.5° |
pH(with 2% water solution£© | 2.4-2.8 |
PH(with 5% water solution£© | 2.1-2.6 |
Melting range | About 190¡æ |
Heavy metals | ≤3ppm |
Iron | ≤2ppm |
Copper | ≤2ppm |
Impurity E | ≤0.2% |
Arsenic | ≤1ppm |
Lead | ≤2ppm |
Cadmium | ≤1ppm |
Mercury | ≤1ppm |
Organic volatile impurities | Meets the requirements |
Related Substances | Impurity C≤0.15% Impurity D≤0.15% Any Other Unspecific Impurities Impurity≤0.10% Total Impurity≤0.2% |
Total Plate Count | ≤1,000cfu/g |
According to BP 2016/USP39/FCC10/EP8.0/E300 |
Address £º | Room A-706, |
Wisdom Center, | |
No.10 Moonbay Road, | |
Industrial Park, | |
Suzhou, China | |
Tel£º | +86-512-6999-5251 |
Fax£º | +86-512-6999-5250 |
E-mail£º | info@yiko-chem.com |