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how does the light of a nephelometer determine the scatter of particles?

  • Science -

    The particles scatter light, some of it goes to a photocell, the photocell generates a current when the photons strike the photosensitive cathode, an amplifier circuit then generates enough current to move a meter. Here is a web page you can read about it.
    http://en.wikipedia.org/wiki/Nephelometer

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    thank you for your help

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