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L-Ascorbic acid
Index:GB/T15347£1994
Molecular formula :C6H8O6
Molecular weight:176.13
Properties:white crystal or crystal powder, has acid taste,freely
soluble in water,slightly soluble in alcohol,insoluble ethyl
ester,
benzene,chloroform and oil aether and etc. Its water solution
is acid. It is a good reducing agent, can easily absorb the
moisture and be oxidation to be yellow.
Warning:This product should be sealed and stored in in a dark
dry place.
Use: Mainly applied in the detection of Arsenic,Iron, iodine,bismuth,calcium,magnesium,titanium,tungsten,antimony
and phosphorus. It is also the screening agent, reducing agent
and food antioxidant, nutrient.
Packing:25gor 100g/glass bottle ,25kg/carton
Technical index:
| Item |
Analytically pure |
| Content |
 99.7% |
| Specific rotatory power £Û£á£Ý20D |
+20.5ã«+21.5ã |
| Clarity Test |
Qualified |
Ignition residue (ÒÔSulfate ¼Æ)  |
0.05% |
| Dry loss |
0.1% |
| Chloride (Cl) |
0.005% |
| Sulfate (SO4) |
0.002% |
| Iron(Fe) |
0.0002% |
| Heavy metal(according to pb ) |
0.001% |
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