Complaint
Ascorbic acid, a water-soluble dietary supplement, is white to light yellow crystals or powder with an acidic taste. It is soluble in water, slightly soluble in alcohol, and insoluble in ether, chloroform, benzene, petroleum, oils and fats. As food additives, ascorbic acid is mainly used as antioxidant.
Physical Properties:
| Molecular Weight | 176.13 |
| Density | 1.694g.cm3 |
| Boiling Point | 553 ºC |
| Melting Point | 190-192 ºC |
| Water Solubility | Easily soluble |
Specification:
| Test Item | Unit | The Standard |
| Appearance | White or almost white crystals Crystalline powder | |
| Assay | % | 99.0-100.5 |
| Melting Point | ºC | About 190 |
| PH | 2.1~2.6 | |
| Clarity of Solution | Clear | |
| Colour of Solution | BY7 Max. | |
| Copper | ppm | 5 Max. |
| Heavy Metals | ppm | 10 Max. |
| Mercury | ppm | <0.1 |
| Lead | ppm | <2 |
| Arsenic | ppm | 3 Max. |
| Cadmium(CD) | PPM | <1 |
| Oxalic Acid | % | 0.2 Max. |
| Iron | ppm | 2 Max. |
| Loss of drying | % | 0.4 Max. |
| Residue on Ignition | % | 0.1 Max. |
| Specific Optical Rotation | +20.5°~+21.5° |
Package: 25kg carton or as customer's request.
Storage: Please keep in shade, under seal, dry and ventilation area.
Glad to take this opportunity to introduce our service to you as follows:
•Supply of all kinds of food ingredients and raw materials;
•Price trend and purchase advice;
•Technical support;
•Value-added service, say, subpackage;
• Mixed container shipment arrangement;
•Logistic, storage.
Our advantages are:
1 Professional: with more than 15years food additives export experience, we understand our customers' needs easily and completely;
2 Quality and delivery: quality is the life of our company. We put quality as our first consideration in any single order. We only supply our customers the first-class products.
Normally we can arrange all the delivery by sea, by air or by train within the stipulated period. If by sea, we put cardboard in all sides of the container in order to avoid moist; if possible, we palletize all products.
3 Credibility: credibility is the base of our company. We may be not the best, but we are the one as what we have said.
