China Wholesale The Most Powerful Antioxidant Factories - Tannic Acid – Sanjiang
China Wholesale The Most Powerful Antioxidant Factories - Tannic Acid – Sanjiang Detail:
Properties: Light yellow or light brown amorphous powder,, oxidized and darkening when exposed to air. Soluble in water, ethanol, acetone, and ethyl acetate.tannic acid is a specific form of tannin, a type of polyphenol. Its weak acidity (pKa around 6) is due to the numerous phenol groups in the structure. The chemical formula for commercial tannic acid is often given as C76H52O46, which corresponds with decagalloyl glucose, but in fact it is a mixture of polygalloyl glucoses or polygalloyl quinic acid esters with the number of galloyl moieties per molecule ranging from 2 up to 12 depending on the plant source used to extract the tannic acid. Commercial tannic acid is usually extracted from any of the following plant parts: Tara pods (Caesalpinia spinosa), gallnuts from Rhus semialata or Quercus infectoria or Sicilian sumac leaves (Rhus coriaria).
Quality index : The product complies with the national standard GB5308-85.
Uses
1. This product is widely used in extraction and acid iron ink manufacturing.
2. Used to produce leather tanning agent, mordant, rubber coagulant, protein agent, alkaloid precipitant.
3. Pharmaceutical products, such as raw materials for sulfa synergists (TMP).
4. Raw material for preparing medicinal acid, pyrogallic acid and sulfa drugs are also raw material for producing gallic acid and pyrogallol.
5. The use of resins made of tannins has been investigated to remove mercury and methylmercury from solution. Immobilized tannins have been tested to recover uranium from seawater.
6. Tannins can be used for production of anti-corrosive primer.
Storage
Moisture-proof and light-proof, sealed storage.
Packing
Kraft paper bag, net weight 25 kg.
Specifications
Specifications |
Industrial grade |
Implementation standards |
LY/T1300-2005 |
Assay |
≥81% |
Drying loss |
≤9% |
Water insoluble matter |
≤0.6% |
Production scale |
1500T/Y |
Color |
≤2.0 |
Packing |
Kraft paper bag, 25 kg / bag |
Product detail pictures:
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Bear "Customer first, Excellent first" in mind, we operate closely with our customers and supply them with efficient and expert services for China Wholesale The Most Powerful Antioxidant Factories - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Ukraine, Johannesburg, Iraq, Upon today, we have customers from all over the world, including USA, Russia, Spain, Italy, Singapore, Malaysia, Thailand, Poland, Iran and Iraq. The mission of our company is to provide the highest quality products with best price. We are looking forward to doing business with you.
By Leona from Turkmenistan - 2017.10.23 10:29
It is really lucky to meet such a good supplier, this is our most satisfied cooperation, I think we will work again!
By Gemma from Macedonia - 2018.06.12 16:22