- Plastic Tubes[10]
- Other Accessories[1]
- Fire Hose[3]
- Garden Hoses & Reels[9]
- Sprayers[4]
- Other Home Appliance Parts[4]
- Rubber Hoses[7]
- Food Additives[10]
- Toothpaste[1]
- Pharmaceutical[3]
- Sugar[3]
- Other Chemicals[1]
- Chemical Auxiliary Agent[4]
- Contact Person : Mr. Liu Simon
- Company Name : Qingdao Singsino Group Limited
- Tel : 86-532-85808802
- Fax : 86-532-85808803
- Address : Shandong,Qingdao,Rm. 1902, Unit 2, Guohua Tower, No. 2, Minjiang Rd.
- Country/Region : China
Vitamin C
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Vitamin C is a water-soluble vitamin that is necessary for normal growth and development. Water -soluble vitamins dissolve in water. Leftover amounts of the vitamin leave the body through the urine.
That means you need a continuous supply of such vitamins in your diet.
Vitamin C is one of many antioxidants. Antioxidants are nutrients that block some of the damage
caused by free radicals.
Items | Standard |
Appearance | White crystalline powder |
Identification | Positive |
Clarity of solution | Clear |
Color of solution | ≤BY7 |
Assay | 99.0~100.0% |
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°C |
Heavy metals | ≤3ppm |
Iron | ≤2ppm |
Copper | ≤5ppm |
Oxalic acid | ≤0.2% |
Arsenic | ≤1ppm |
Lead | ≤3ppm |
Cadmium | ≤1ppm |
Mercury | ≤1ppm |
Organic volatile impurities | Meets the requirements |
Related Substances | ImpurityC≤0.15% ImpurityD≤0.15% Any Other Unspecific Impurities Impurity≤0.10% Total Impurity≤0.2% |
Total Plate Count | ≤1,000cfu/g |
Vitamin C