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Water sample analysis

Water sample analysis

G350/0758

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Credit

SCOTT BAUER / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY SCOTT BAUER / US DEPARTMENT OF AGRICULTURE / SCIENCE PHOTO LIBRARY

Restrictions:

Editorial use only.

Caption

Water sample analysis. Chemist analysing a water sample using an atomic absorption spectrophotometer to determine the magnesium content. As atoms absorb particular wavelengths of light, the spectrophotometer, which measures light intensity, can identify the presence of particular elements. This experiment is to determine the magnesium content of bottled water. Magnesium is a trace element vital for enzyme activity and the manufacture of nucleic acids.

Release details

Model release not available. Property release not required.

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