different between nephelometer vs nephelometry

English

From Ancient Greek ?????? (nephél?, “cloud”) +? -meter.

nephelometer (plural nephelometers)

(analytical chemistry) An instrument for measuring various aspects of the suspended particles in a fluid; especially in a colloid.

From Ancient Greek ?????? (nephél?, “cloud”) +? -metry.

nephelometry (uncountable)

(analytical chemistry) The measurement of the concentration of a solution, suspension or dispersion based upon its light-scattering properties.
(immunology) A technique used to determine the levels of antibodies or antigens in a suspension, based on its light-scattering properties.

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