Specifications

vitamin c
1.Have ISO,GMP,HACCP certificates
2.Free example, keep for 2 years
3.Packing as your requst

Vitamin C, Ascorbic Acid Details
Ascorbic acid  is a white or slightly yellow crystals or powder,a little acid.m.p.190°C-192°C,easily soluble in water,a little soluble in alcohol and uneasily soluble in Ether and chlorofom and other organic solvent.In solid state it is stable in air.Its water solution is easliy mutated when it meets with air.

Vitamin C, Ascorbic Acid Applications
In the pharmaceutical industry,can be used to treat  scurvy and various acute and chronic infections diseases,are applicable to the lack of VC.
In the food industry,it can both use as nutrition-al supplements,supplementary VC in food processing,and also is good Antioxidants in food preservation,widely used in meat products,,fermented flour products,beer,tea dtinks, fruit juice,canned fruit,canned meat and so on;also commonly used in cosmetics,feed additives and other industrial areas.

Vitamin C, Ascorbic Acid Specifications

ITEM	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

Service we provide:
1. Before shipment, free sample for test
2. Packing as your request, with photo before shipment
3. Cargoes photo before and after loading into container
4. Fast shipment by reputed shipping line
5. Best service after shipment with emails