Because spectrophotometers are used in such a wide range of applications, for example, in the environmental, food, and chemical industries, it is important to understand their many features and components. Important considerations include beam configuration, i.e., single-beam or double-beam, as well as the wavelength range that will be needed for a given application‒UV/VIS, VIS, NIR, or UV/VIS/NIR. To evaluate a spectrophotometer’s performance, users should look at stray light, baseline drift and flatness, spectral bandwidth, scanning, and photometric noise, among other features. This overview finishes with advances in the market.
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