South Africa
联系人 Ali
Johannesburg, Gauteng
Vitamin C Powder Ascorbic Acid Manufacturer
|
Item |
Standard |
|
Appearance |
White or almost white, crystalline powder or colourless crystals |
|
Melting point |
About **0℃. with decomposition |
|
Infrared absorption spectrum |
Infrared absorption spectrum accord with the referance spectrum of ascorbic acid CRS |
|
PH(With 5% water solution) |
2.**2.6 |
|
PH(With 2% water solution) |
2.**2.8 |
|
Appearance of solution |
Clarity; clear; colour: ≤BY7 |
|
Specific optical rotation |
*0.5℃- *1.5℃ |
|
Loss on drying |
≤0.4% |
|
Impurity E |
≤0.2% |
|
Related substance |
Impurity C: ≤0.*5% |
|
Impurity D: ≤0.*5% |
|
|
Unpecified impurities:≤0.*0% |
|
|
Total impurities:≤0.*0% |
|
|
Copper |
≤5.0ppm |
|
Iron |
≤2.0ppm |
|
Arisenic |
≤3.0ppm |
|
Lead |
≤2.0ppm |
| 国家: | South Africa |
| 型号: | - |
| 离岸价格: | 获取最新报价 |
| 位置: | - |
| 最小订单价格: | - |
| 最小订单: | - |
| 包装细节: | - |
| 交货时间: | - |
| 供应能力: | - |
| 付款方式: | - |
| 產品組 : | - |
