Product Description
Vitamin C (VC), also known as Ascorbic Acid, is a vitamin that human body can not produce on its own. It plays, however, an important role in the metabolism of human body and physiological function regulation and is one of the essential nutrients for the living of humans.
Vitamin C is also the essential nutrient for animals and used as animal additive. It can promote the growing and breeding of animals, increase the meat and milk output and develop the animals' immunity from disease.
Specifications:
1) Assay: 99.0% - 100.5%
2) Identification: positive
3) Melting point: about 190.7 - 190.8°C
4) Clarity of solution: clear
5) Color of solution: BY7 max
6) PH value: 2.1- 2.6 (in 2% solution)
7) Oxalic acid: 0.2% max
8) Heavy metals: 5ppm max
9) Ferrite: 2ppm max
10) Arsenic: 3ppm max
11) Hg: 1ppm max
12) Lead: 5ppm max
13) Sulphate ash: 0.1% max
14) Copper salt: 5ppm max
15) Specific rotation: +20.5 ~ +21.5°
16) Organic volatile impurities: meets the requirements
17) Particle size: 100% pass thru 40 mesh; 50% pass thru 80 mesh
18) Appearance white crystalline powder
19) Storage: store in a cool and dry place
20) Shelf life: three years in dry conditions after production
21) Storage: store in a cool and dry place
22) Shelf life: three years in dry conditions after production
Packing: 25kg/carton box with PE liner
