China Wholesale Concentrated Polyphenol Blend Factory - Tannic Acid – Sanjiang

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China Wholesale Concentrated Polyphenol Blend 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.

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iconUses

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.

iconStorage

Moisture-proof and light-proof, sealed storage.

iconPacking

Kraft paper bag, net weight 25 kg.

iconSpecifications

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


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Our growth depends around the superior machines, exceptional talents and consistently strengthened technology forces for China Wholesale Concentrated Polyphenol Blend Factory - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Singapore, Kuwait, Guyana, If any item be of interest to you, you should let us know. We will try our best to satisfy your requirements with high quality goods, the best prices and prompt delivery. You should feel free to contact us at any time. We will reply you when we receive your inquiries. Make sure you note that samples are available before we start our business.
  • The customer service reprersentative explained very detailed, service attitude is very good, reply is very timely and comprehensive, a happy communication! We hope to have a opportunity to cooperate.
    5 Stars By Juliet from Surabaya - 2018.12.11 14:13
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Eve from Kuwait - 2018.09.23 17:37
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