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If the instrument is designed to measure the spectrum on an absolute scale rather than a relative one, then it is typically called a spectrophotometer. The majority of spectrophotometers are used in spectral regions near the visible spectrum. A spectrometer that is calibrated for measurement of the incident optical power is called a ...
CIELAB is used by Datacolor spectrophotometers, including the related color difference calculations. CIELAB is used by the PantoneLive library. CIELAB is used extensively by X-Rite as a color space with their hardware and software color measuring systems. CIELAB D50 is available in Adobe Photoshop, where it is called "Lab mode". [15] [16]
Diode-array spectrophotometers differed from the original spectrophotometer created by Beckman because it was the first single-beam microprocessor-controlled spectrophotometer that scanned multiple wavelengths at a time in seconds. It irradiates the sample with polychromatic light which the sample absorbs depending on its properties.
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Developed by Bausch & Lomb and launched in 1953, the Spectronic 20 was the first low-cost spectrophotometer. [5] It rapidly became an industry standard [7] due to its low cost, durability and ease of use, [8] and has been referred to as an "iconic lab spectrophotometer". [9] Approximately 600,000 units were sold over its nearly 60 year ...
An XPS spectrometer. A spectrometer (/ s p ɛ k ˈ t r ɒ m ɪ t ər /) is a scientific instrument used to separate and measure spectral components of a physical phenomenon. Spectrometer is a broad term often used to describe instruments that measure a continuous variable of a phenomenon where the spectral components are somehow mixed.
Infrared spectrophotometer used to analyze the diethyltoluamide insect repellent, 1960 US Food and Drug Administration scientist uses portable near infrared spectroscopy device to detect potentially illegal substances. Infrared spectroscopy is a simple and reliable technique widely used in both organic and inorganic chemistry, in research and ...
The DU was developed at National Technical Laboratories (later Beckman Instruments) under the direction of Arnold Orville Beckman, an American chemist and inventor. [13] [14] Beginning in 1940, National Technical Laboratories developed three in-house prototype models (A, B, C) and one limited distribution model (D) before moving to full commercial production with the DU in 1941.