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1 Kilogram |
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Ascorbic Acid 50-81-7 Vitamin C
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Characteristics:colorless crystals or a white or almost white,crystalline powder which discolors on exposure to air and moisture; odorless or almost odorless and tasted sour; easily soluble in water and a few partial soluble in ethanol; insoluble in ether and chloroform; it melts at 190°C-192°C;PH of a 5% W/V solution, 2.1 to 2.6; specific optical rotation in a 10% W/V solution,+20.5°+1.5°.
Product specification:BP/USP/EP/JP/FCC
Function: It applies mainly to production of various as clinically important material for supplementary cure practice in different sectors. Being food additives, it acts as superior and reliable gent in mutrition , antiseptic and flour processing aspects. It also helps enhance the immune systerm of animals as being served in feed additives
Storage:shielded from light,dry and cool placement, saled for storage.
Packing: 25kg net weight carton box or drum with two plastic inner linings and vacuum-sealed bag ,1 FCL=20MT
Features:
It contains over 99.5% of ascorbic acid |
Mainly used in producing various s, it is an important for clinical supplementary treatment |
It can be used in food additive. It is a good and safe nutritional agent as well as an antiseptic and baking agent of flour processing |
It can be used in feed additive and can improve animals' immunity from disease |
VC fine-crystal and fine powder with 40-80, 30 - 300 mesh (US standard sieve) |
Specification:
Items | Standard |
Characteristics | White or almost White crystals Crystalline Powder |
Identification | Positive Reaction |
Melting point | About 190ºC |
PH(5% water in solution) | 2.1-2.6 |
PH(2% water in solution) | 2.4-2.8 |
Clarity of Solution | Clear |
Colour of Solution | ≤ BY7 |
Copper | ≤5ppm |
Heavy Metals | ≤10ppm |
Mercury | ≤0.1mg/kg |
Lead | ≤2 mg/kg |
Iron | ≤2ppm |
Arsenic | ≤3ppm |
Cadmium(Cd) | <1mg/kg |
Oxalic Acid | ≤0.2% |
Impurity E | ≤0.2% |
Loss on Drying | ≤0.4% |
Sulphate Ash(Residue On Ignition) | ≤0.1% |
Specific Optical Rotation | +20.5 °~ +21.5 ° |
Residual Solvents | Pass |
Assay | 99.0%- 100.5% |
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