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Tannic Acid

Tannic Acid

A specific form of tannin, tannic acid is a weakly acidic polyphenol found in some plants. Its applications include use in the chemical staining of wood and as a mordant, a corrosion inhibitor, and a clarifying agent for wine and beer.

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Sigma Aldrich Fine Chemicals Biosciences Tannic acid ACS reagent500G

Tannic acid (TA) is a natural non-toxic organic acid with corrosion inhibitive property for metals and alloys. A chemiluminescence (CL) system of KIO4 (potassium periodate)-H2O2 (hydrogen peroxide)-Tween40 has been employed in the detection of tannic acid in industrial wastewater. Tannic acid hydrolyzes to form mainly glucose and gallic acid. Its astringent property is due to the presence of polyphenolic groups.

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