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OEM Wine Tannins Meaning Factory - Tannic Acid – Sanjiang

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OEM Wine Tannins Meaning 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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abide by the contract", conforms into the market requirement, joins in the market competition by its good quality also as provides a lot more comprehensive and great company for purchasers to let them turn into huge winner. The pursue from the firm, would be the clients' gratification for OEM Wine Tannins Meaning Factory - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Pakistan, Ecuador, Plymouth, We are seeking the chances to meet all the friends from both at home and abroad for the win-win cooperation. We sincerely hope to have long-term cooperation with all of you on the bases of mutual benefit and common development.
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