detector

chromatography

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  In chromatography: Methods of detection

  …is inseparable from refinement of detectors that accurately sense solutes in the presence of the mobile phase. Detectors may be classified as general detectors in which all solutes are sensed regardless of their identity, or as specific detectors, which sense a limited number of solutes—for example, those containing halogens or…

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mass spectrometry

particle accelerators

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  In particle accelerator: Detecting particles

  …accelerators require some way of detecting what happens when the particles strike a target or another particle beam traveling in the opposite direction. In a television picture tube, the electrons shot from the electron gun strike special phosphors on the inside surface of the screen, and these emit light, which…

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radiation

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  In radiation measurement: Fast neutrons

  …on the dimensions of the detector, may interact again or simply escape from the detector volume.

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