Specification:
|
ITEMS |
SPECIFICATION |
RESULT |
|
Characteristics |
White or almost white crystals crystalline powder |
Complies |
|
Identification |
Positive reaction |
Positive |
|
Melting Point |
About 190°C |
190.1°C |
|
pH |
2.1~2.6 |
2.59 |
|
Clarity Of Solution |
Clear |
Clear |
|
Colour Of Solution |
≤BY7 |
<BY7 |
|
Loss On Drying |
0.4% Max |
0.17% |
|
Arsenic |
≤3ppm |
<3ppm |
|
Lead |
≤2ppm |
<2ppm |
|
Copper |
≤5ppm |
<5ppm |
|
Heavy Metals |
≤10ppm |
<10ppm |
|
Iron |
≤2ppm |
<2ppm |
|
Mercury |
≤1ppm |
<1ppm |
|
Oxalic Acid |
≤0.2% |
<0.2% |
|
Sulphate Ash (Residue On Ignition) |
≤0.1% |
<0.1% |
|
Specific Optical Rotation |
+20.5°~+21.5° |
+20.75° |
|
Organic Volatile Impurities |
Pass |
Pass |
|
Assay |
99.0%~100.5% |
99.65% |
|
Conclusion: Conforms to the standard of BP2010/USP32/E300/FCCV |
||
Usage: can be used for various food of vitamin C fortifier and in the cool and refreshing beverage and dairy products. It is widely used in ham and sausage, and keep fresh when adding to the cosmetic, it can resist wrinkle, senescence, and make the skin fair. The product has the double functions in supplying Vitamin C and strengthening the ability of absorbing Calcium.