This is NOT Tannic Acid. This is 25 kg (pic is of a 500 gram bag) of purified mixed Tannins, powder extract. This extract is related to Tannic acid and contains tiny amounts of it, but it is a different type of Tannin from wood....
Here is 100 grams of Ultra Pure Tannic acid. This current batch is 99.9% pure! Pure tannic acid is a light Beige color. The darker it is the less pure it is, or it is not Tannic acid at all. This is the purest Tannic...
You are purchasing 100 grams of Reagent ACS grade Tannic acid. The is certified ACS grade (high purity for lab and technical uses) by a major US Supplier. It is 97% minimum purity. High purity Tannic Acid is a light yellow/beige powder....
Here is 500 grams of purified mixed Tannins extract. The Tannin content is approx. 75%. This is the bisulphated extract from the Normal 0 false false false EN-US X-NONE X-NONE Schinopsis lorentzil tree . Excellent for dying wood and leather. Your sample will be placed...