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Silica gel beads, light micrograph

Silica gel beads, light micrograph

C026/4171

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Credit

ANTONIO ROMERO / SCIENCE PHOTO LIBRARY ANTONIO ROMERO / SCIENCE PHOTO LIBRARY

Caption

Silica gel beads. Light micrograph of beads of non-hazardous self-indicating silica gel. Silica gel is a form of silicon dioxide synthetically obtained from sodium silicate. It is commonly used as a desiccant to absorb moisture in small enclosed environments, for example, inside packages of goods. Often a humidity indicator is included, so the beads change colour depending on the amount of water they have absorbed. Magnification: x4.6, when printed 10 centimetres wide.

Release details

Model release not required. Property release not required.

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