China Wholesale Pycnogenol Original Suppliers - Tannic Acid – Sanjiang

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Our company insists all along the quality policy of "product quality is base of enterprise survival; customer satisfaction is the staring point and ending of an enterprise; persistent improvement is eternal pursuit of staff" and the consistent purpose of "reputation first, customer first" for Gall Powder Extracts, Gallate, Catechins Foods, We adhere to the tenet of "Services of Standardization, to Meet Customers' Demands".
China Wholesale Pycnogenol Original Suppliers - 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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We also provide item sourcing and flight consolidation solutions. We have now our very own manufacturing facility and sourcing place of work. We could provide you with nearly every kind of merchandise associated to our merchandise variety for China Wholesale Pycnogenol Original Suppliers - Tannic Acid – Sanjiang , The product will supply to all over the world, such as: Swiss, Uganda, Curacao, We will supply much better products with diversified designs and professional services. We sincerely welcome friends from over the world to visit our company and cooperate with us on the basis of long-term and mutual benefits.
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