Equipment | Physical Properties Testing |Spectrophotometers

Spectrophotometers

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A spectrophotometer consists of both a spectrometer and photometer and is used to measure the absorption spectrum of a compound. The spectrometer will produce a selected wavelength to the device, and the photometer will measure the intensity of the light as it passes through a cuvette containing the liquid of the sample to be analyzed. Within the spectrophotometer is a prism, or grating, which is used to split the applied light into different wavelengths, enabling the manipulation of these wavelengths to fall onto the sample and determine the amount of light absorbed by the solution at each given wavelength.

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