The basic principles of the construction of photometers and spectrophotometers is the same; i.e. they consist of a light source, monochromator or filter, cuvette compartment, detector and amplifier with an indicating device.
CITATION STYLE
Perkampus, H.-H. (1992). Photometers and Spectrophotometers. In UV-VIS Spectroscopy and Its Applications (pp. 10–25). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-77477-5_3
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