Tannic acid crystals, light micrograph

Tannic acid crystals, light micrograph

C026/2625

Rights Managed

Caption

Tannic acid crystals. Polarized light micrograph of a section through crystals of tannic acid (tricarboxylic acid). Tannic acid is a commercial form of tannin, an astringent polyphenolic compound that binds to and precipitates proteins and various other organic compounds including amino acids and alkaloids. Magnification: x400 when printed at 10 centimetres tall.

Release details

Model release not required. Property release not required.

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