| Model: | SGSN |
|---|---|
| Brand: | SGSN |
| Origin: | Made In China |
| Category: | Chemicals / Food Additives |
| Label: | Vc powder , Vitamin C , Ascorbic Acid |
| Price: |
-
|
| Min. Order: | 500 kg |
| Live Chat: | Last Online:26 May, 2014 |
Description:
Vitamin C, also known as ascorbic acid, is a water-soluble vitamin. Unlike most mammals and other animals, humans do not have the ability to make their own vitamin C. Therefore, we must obtain vitamin C through our diet.
Specification:
|
Contents |
Standard |
Result |
|
Description |
White or almost white crystals or crystalline powder |
Pass |
|
Identification |
Positive Reaction |
Positive |
|
Melting Point |
187°C-192°C |
190.4°C |
|
PH |
2.1-2.6 |
2.3 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
<BY7 |
|
Copper |
≤5ppm |
<5ppm |
|
Heavy Metals |
≤20µg/g as Pb |
Pass |
|
Iron |
≤2ppm |
<2ppm |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
Loss on drying |
≤0.4% |
<0.4% |
|
Residue on ignition |
≤0.1% |
0.03% |
|
Specific Rotation |
+20.5°–+21.5° |
+20.93 |
|
Organic Volatile Impurities |
Pass |
Pass |
|
Arsenic |
20µg/g as AS2O3 max |
Pass |
|
Assay |
>99.0% |
99.3 |
| Payment Terms: | T/T L/C |
|---|---|
