离岸价格
获取最新报价350 / Ton
|Minimum Order
位置:
-
最小订单价格:
最小订单:
25 Ton
包装细节:
bags
交货时间:
14 days
供应能力:
1000 Ton per Month
付款方式:
T/T, Western Union
South Africa
联系人 Agiams
colnbrok complex #6 road midrand, Midrand, gauten
|
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 |
|
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 |
|
Mercury |
≤1.0ppm |
|
Cadmium |
≤1.0ppm |
|
Heavy metals |
≤*0ppm |
|
Sulphated ash |
≤0.1% |
|
Assay |
*9.0% ~ **0.5% |
