Customization: | Available |
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CAS No.: | 50-81-7 |
Formula: | C6h8o6 |
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Vitamin C, also known as ascorbic acid and L-ascorbic acid, is a vitamin found in food and used as a dietary supplement. The disease scurvy is prevented and treated with vitamin C-containing foods or dietary supplements.
Analysis Contents | Analysis Standard | Analysis Results | |||
Characteristics | White or almost White | Pass | |||
crystals Crystalline Powder | |||||
Identification | Positive Reaction | Positive | |||
Melting Point | About 190ºC | 190.7ºC | |||
PH(5% aqueous solution) | 2.1-2.6 | 2.36 | |||
Clarity Of Solution | Clear | Clear | |||
Colour Of Solution | ≤BY7 | <BY7 | |||
Copper | ≤5ppm | <5ppm | |||
Heavy Metals | ≤10ppm | <10ppm | |||
Mercury | <0.1mg/kg | <0.1mg/kg | |||
Lead | <2mg/kg | <2mg/kg | |||
Arsenic | ≤2ppm | <2ppm | |||
Oxalic Acid | ≤0.2% | <0.2% | |||
Iron | ≤2ppm | <2ppm | |||
Impurity E | ≤0.2% | <0.2% | |||
Loss on Drying | ≤0.4% | 0.03% | |||
Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% | |||
Specific Optical Rotation | +20.5°-+21.5° | +21.16° | |||
Organic Volatile Impurities | Pass | Pass | |||
Assay | 99.0% -100.5% | 99.75% | |||
Total plate count | ≤1000cfu/g | <100cfu/g | |||
Yeasts & molds | ≤100cfu/g | <10cfu/g | |||
Conclusion: | The Above-Mentioned Product Conforms To BP2019/USP41 |
Najin Import and Export (Shandong) Co., Ltd. is a comprehensive, diversified, and comprehensive company with BDO, PEG, PPG, PTMEG, MDI, TDI, PVA, NMP, and polyether polyols, polyester polyols, and polymer polyols as its main industrial chains. We have a professional sales team that has won recognition and praise from the industry with exquisite technology, sound administrative management, and good teamwork. The product is sold to multiple domestic and foreign enterprises.
We always adhere to the principle of "quality first, customer first, and reputation first", and are committed to providing customers with the best products. We will also continue to build a professional chemical product supply chain with the highest quality service, best products, and maximum efforts.