A tannin, usually in the form of a yellowish-white or pale brown powder, obtained from fermented oak galls by extraction with water-saturated ether. Tannic acid is soluble in water, alcohol, and acetone, and gives precipitates with most metallic salts, proteins, and alkaloids.
Used for toning cyanotypes.
UPC: | 675152145314 |
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Chemical Type | Raw Chemicals |
Liquid/Powder | Powder |
Chemicals