China Wholesale Schisandra Extract Factory - Tannic Acid – Sanjiang
China Wholesale Schisandra Extract Factory - 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:
Related Product Guide:
Gaining client pleasure is our company's aim without end. We are going to make excellent efforts to create new and top-quality goods, meet your special requirements and provide you with pre-sale, on-sale and after-sale companies for China Wholesale Schisandra Extract Factory - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: The Swiss, Eindhoven, India, We supply skilled service, prompt reply, timely delivery, excellent quality and best price to our customers. Satisfaction and good credit to every customer is our priority. We focus on every detail of order processing for customers till they have received safe and sound items with good logistics service and economical cost. Depending on this, our products and solutions are sold very well in the countries in Africa, the Mid-East and Southeast Asia. Adhering to the business philosophy of ??customer first, forge ahead', we sincerely welcome clients from at home and abroad to cooperate with us.
By Barbara from Islamabad - 2018.06.18 19:26
High Quality, High Efficiency, Creative and Integrity, worth having long-term cooperation! Looking forward to the future cooperation!
By Liz from Johannesburg - 2018.11.28 16:25