L(+)-Ascorbic acid NEW
| Price | $18 | $18 | $18 |
| Package | 10kg | 10kg | 10kg |
| Min. Order: | 1kg |
| Supply Ability: | 5000 |
| Update Time: | 2024-05-11 |
Product Details
| Product Name: L(+)-Ascorbic acid | CAS No.: 50-81-7 |
| EC-No.: 618-347-7 | Min. Order: 1kg |
| Purity: 99.9 | Supply Ability: 5000 |
| Release date: 2024/05/11 |
Testing Item | Standard | Result |
Assay | 99.0%-100.5% | 99.72% |
Appearance | White or almost White crystals Crystalline Powder | pass |
Solubity | Easily soluble in water | pass |
Identification | Positive Reaction | Positive |
Melting Point | About 190oC | 190.6 oC |
Copper | ≤5ppm | <5ppm |
Heavy Metals | ≤10ppm | <10ppm |
Mercury | ≤0.1mg/kg | <0.1mg/kg |
Lead | ≤2mg/kg | <2mg/kg |
Arsenic | ≤3ppm | <3ppm |
Oxalic Acid | ≤0.2% | <0.2% |
Iron | ≤2ppm | <2ppm |
Cadmium(Cd) | <1mg/kg | <1mg/kg |
Impurity E | ≤0.2% | <0.2% |
Loss on Drying | ≤0.4% | <0.4% |
Sulphate Ash(Residue On Ignition) | ≤0.1% | <0.1% |
Specific Optical Rotation | +20.5°-+21.5° | 21.08° |
Company Profile Introduction
Hebei Shengyang Water Conservancy Engineering Co., Ltd. was established in 2018. The group has a construction company, a health product processing company, a chemical raw material production company, and a cosmetics raw material and finished product processing agency. The group has an annual output of 200 million yuan, more than 300 employees, and has 6 modern production lines, testing laboratories, foreign trade business departments, after-sales management departments, and other complete sales systems. The company sells finished products that have undergone third-party testing and certification. We have cooperated with enterprises in multiple countries, and our agents are available in each country. Please inform us of your needs, and the company will fully cooperate,
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China- Since: 2022-08-09
- Address: Haiyue Tiandi, No. 66, Yuhua West Road, Shijiazhuang City, Hebei Province C1503
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