Product Description
| CAS | 50-81-7 |
| EINECS | 200-066-2 |
| Appearance | white crystalline or crystalline powder, odorless, sour taste |
| Packaging | 25kg cardboard cartons /drums lined with two layers of plastic bags.25KG CARTON, 22-23MT/FCL, 18MT/FCL With pallet 25KG BAG, 23MT |
COA
|
Analysis Contents |
Analysis Standard |
Analysis Results |
|
Characteristics |
White or almost White crystals Crystalline Powder |
Pass |
|
Identification |
Positive Reaction |
Positive |
|
Melting Point |
About 190°C |
190.4C |
|
PH(with 2% water solution) |
2.4-2.8 |
2.42 |
|
PH(with 5% water solution) |
2.1-2.6 |
2.21 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
|
|
Copper |
≤5ppm |
<5ppm |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Mercury |
≤0. 1mg/kg |
<0. 1mg/kg |
|
L ead |
≤2mg/kg |
<2mg/kg |
|
Arsenic |
≤3ppm |
<3ppm |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
lron |
≤2ppm |
<2ppm |
|
Cadmium(Cd) |
<1mg/kg |
<1mg/kg |
|
Impurity E |
≤0.2% |
<0.2% |
|
Loss on Drying |
≤0.4% |
<0.4% |
|
Sulphate Ash(Residue On lgnition) |
≤0.1% |
<0.1% |
|
Specific Optical Rotation |
+20.5° - +21.5° |
+21.26° |
|
Residual Solvents |
Pass |
pass |
|
Assay |
99.0%-100.5% |
99.87% |
Uses and Applications
- Preserve freshness in fruits and vegetables
- Added to foods and beverages for Vitamin C
- Stabilizes Flavors
- Adjust pH / pH Control
- Cleaning / natural cleaning
- Remove iron stains in pools
- Photography
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