Gas chromatography mas-spectrometer, 2000.

Gas chromatography mas-spectrometer, 2000.
3 4 c m
40cm
actual image size: 32cm x 26cm

Description

Gas chromatography mas-spectrometer (GCMS) for use in drug analysis, the Drug Control Centre, King's College, London. Gas chromatographs are used to separate mixtures of compounds. A mas spectrometer is used in chemical analysis to determine the exact chemical composition of a substance. Positive ions of a substance are separated by an electromagnetic system, which enables the relative concentrations of different ionic mases to be accurately measured. Mas-spectrometers can be applied in hospital operating rooms, in rockets in the upper atmosphere, and testing whether athletes have taken non-approved drugs to improve their performance.

Image Details

Image Ref.
 
10327448

© Science Museum / Science & Society Picture Library

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