vitamin c Food Grade ascorbic acid powder

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Price:$5.00 - $6.50

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Product Overview

Description


vitamin c Food Grade ascorbic acid powder


 


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Product Description


 





































































































Item Standard
Appearance

White crystalline powder


IdentificationPositive
Clarity of solutionClear
Assay (%)99.0~100.5
Loss on drying (%)≤ 0.40
Residue on ignition (%)≤ 0.10
Sulphate ash≤ 0.10
Specific rotationfrom +20.5 to +21.5
PH value (2% solution)2.4 ~ 2.8
PH value (5% solution)2.1 ~ 2.6
Heavy metals≤3 ppm
Iron≤2 ppm
Copper≤2 ppm
Total plate count≤ 1000 cfu/g
Arsenic ≤1 ppm
Mercury≤1 ppm
Organic volatile impuritiesMeets the requirements
Chloride (Cl) (%)≤ 0.30
Melting point ( ℃)about 190
Cadmium≤1 ppm
Lead ≤2 ppm
Storagein the shade
Packing25kg/bag

 


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Company Information


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0.1847 s.