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PLM of crystals of sodium citrate

PLM of crystals of sodium citrate

A600/0743

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Credit

SIDNEY MOULDS / SCIENCE PHOTO LIBRARY SIDNEY MOULDS / SCIENCE PHOTO LIBRARY

Caption

Polarised light micrograph of crystals of sodium citrate. Sodium citrate is the trisodium salt of citric (tricarboxylic) acid. It is used extensively as a food additive, known as E331. It has anti-oxidant and preservative properties and is an acidity regulator. Its main uses are in bottled sauces, pickles, dairy products and bakery. Sodium citrate also has some use as a blood anti-coagulant and blood acidity regulator. Magnification x10 at 35mm size.

Release details

Model release not required. Property release not required.

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