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维生素 C,V.C
产品名称：维生素 C,V.C
Molecular formula: C6H8O6
Molecular weight: 176.12
CAS No: 50-81-7
|
ITEM |
SPECIFICATION |
|
Melting point |
About 190°C |
|
PH(5%, W/V) |
2.1-2.6 |
|
Specific Optical Rotation |
+20.5-+21.5 |
|
Copper |
0.0003% MAX |
|
Heavy Metals |
0.001% MAX |
|
Iron |
0.002% MAX |
|
Mercury |
0.0001% MAX |
|
Zinc |
0.0025% MAX |
|
Arsenic |
0.0003% MAX |
|
Lead |
0.0002% MAX |
|
Oxalic Acid |
o.2% MAX |
|
Loss on Drying |
0.1% MAX |
|
Sulphated Ash |
0.1% MAX |
|
Assay |
99.0-100.5% |
Packing: 25Kg BOX
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