This is a double-beam UV-Vis spectrophotometer that operates between 190-1100nm with a wavelength accuracy of ± 0.3nm and a Tungsten Halogen/Deuterium light source. It is an analytical instrument that measures the number of discrete wavelengths of UV or visible light that are absorbed by or transmitted through a sample in comparison to a reference or blank sample. This property is influenced by the sample composition, potentially providing information on what is in the sample and at what concentration. Each analyzed sample provides a spectrum showing the absorbance of one or more sample components in the cuvette when scanned through various wavelengths in the UV/Vis region of the electromagnetic spectrum.