Ascorbic acid vitamin c powder，In the air encounter light gradient yellow, aqueous solution is acidic, easy to oxidize in the air deterioration. Soluble in water, alcohol, insoluble in benzene, chloroform and ether.
Ascorbic Acid Vitamin C Powder Extensively used in nurture, food additive and pharmaceutics.
Insoluble matter ≤ 0.1%
Melting point: 190-194 ° C (dec.)
Solubility: 20 ° C, soluble in water, reference concentration 0.5 M.
Sulfate anion (SO42-) content: ≤0.05%
Aluminum: ≤00005% Calcium: ≤0.0005%
Copper: ≤0.0005% Iron: ≤0.0005%
Potassium: ≤0.005% Magnesium: ≤0.0005%
NH4 +: ≤0.05% Sodium: ≤0.005%
Lead: ≤0.001% Zinc: ≤0.0005%
|Product Name：||Ascorbic acid vitamin c powder|
|25g/bag or 1kg foil bag or 25kg/carton|
|Determination of arsenic, iron, phosphorus and iodine benchmark reagents, chromatographic reagents, antioxidants, masking agents, reducing agents|
Ascorbic acid vitamin c powder Quality Control:
supplier is GMP approved manufacturer and product is listed in GMP certificate.
1. GMP certificate validation from SFDA website http://www.sfda.gove.cn
2. At least 2 different batch sample test before contract.
3. Only both approved, we will buy.