Sodium Ascorbate is white or light yellow crystald,lg of the product can be dissolved in 2 ml water. Not soluble in benzene,ether chloroform,insoluble in ethanol,relatively stable in dry air,moisture absorption and water solution after the oxidation and decomposition will slow,especially in neutral or alkation is oxidized very quickly.Sodium Ascorbate is important nutritionfortifier,antioxidant preservative in food industry;which can keep food color,natural flavor,extend shelf life.Mainly used for meat products,dairy products,beverages,canned and so on.
| ITEM | STANDARD |
| Appearance | White to slightly yellow cr ystaler |
| Identification | Positive |
| Assay (as C 6H 7NaO 6) | 99.0 †101.0% |
| Specific optical rotation | +103° †+106° |
| Clarity of solution | Clear |
| (10%, W/V ) | 7.0 †8.0 |
| Loss on drying | =<0.25% |
| Sulte (mg/kg) | =< 150 |
| Total heavy metals | =<0.001% |
| Lead | =<0.0002% |
| Arsenic | =<0.0003% |
| Mercury | =<0.0001% |
| Zinc | =<0.0025% |
| Copper | =<0.0005% |
| Residual Solvents (as Menthanol) | =<0.3% |
| Total plate count (cfu/g) | =<1000 |
| Yeasts & molds (cuf/g) | =<100 |
| E.coli/ g | Negative |
| Salmonella/ 25g | Negative |
| Stalococcus aureus/ 25g | Negative |
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