GEOFF TOMPKINSON / SCIENCE PHOTO LIBRARY GEOFF TOMPKINSON / SCIENCE PHOTO LIBRARY
Spectrometer. View of a technician using a high resolution spectrometer in a research laboratory. The instrument is being used to analyse minute samples of particular chemicals or substances. Spectrometers work by producing a spectrum of light which can vary from X-rays to infra-red radiation (spectro- photometers). The effect of a particular substance on a spectrum is analysed and interpreted by the spectrometer. The results, displayed graphically on a screen or printout, provide information on chemical composition or molecular organisation of the substance.
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