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2. Ultraviolet–visible spectroscopy - Wikipedia

   en.wikipedia.org/wiki/Ultraviolet–visible...

   A UV-Vis spectrophotometer is an analytical instrument that measures the amount of ultraviolet (UV) and visible light that is absorbed by a sample. It is a widely used technique in chemistry, biochemistry, and other fields, to identify and quantify compounds in a variety of samples.

3. Avogadro (software) - Wikipedia

   en.wikipedia.org/wiki/Avogadro_(software)

   Molecule builder-editor for Windows, Linux, Unix, and macOS. All source code is licensed under the GNU General Public License (GPL) version 2. Supported languages include: Chinese , English , French , German , Italian , Russian , Spanish , and Polish .

4. Spectrophotometry - Wikipedia

   en.wikipedia.org/wiki/Spectrophotometry

   There are some common types of spectrophotometers include: UV-vis spectrophotometer: Measures light absorption in UV and visible ranges (200-800 nm). Used for quantification of many inorganic and organic compounds. 1. Infrared spectrophotometer: Measures infrared light absorption, allowing identification of chemical bonds and functional groups. 2.

5. SPC file format - Wikipedia

   en.wikipedia.org/wiki/SPC_file_format

   The SPC file format is a file format in which all kinds of spectroscopic data, including among others infrared spectra, Raman spectra and UV/VIS spectra. The format can be regarded as a database with records of variable length and each record stores a different kind of data (instrumental information, information on one spectrum of a dataset ...

6. DU spectrophotometer - Wikipedia

   en.wikipedia.org/wiki/DU_spectrophotometer

   [2]: 151 [34] [35] All modern UV–Vis spectrophotometer are built on the same basic principles as the DU spectrophotometer. [29] Diagram of Model DU optical system, Beckman manual, 1954 "Light from the tungsten lamp is focused by the condensing mirror and directed in a beam to the diagonal slit entrance mirror.

7. Florida man stabbed ex-girlfriend 70 times ahead of domestic ...

   www.aol.com/florida-man-stabbed-ex-girlfriend...

   A Florida man is accused of killing his estranged girlfriend by stabbing her up to 70 times during a break-in Friday – exactly one month after he was nabbed for assaulting the victim and ordered ...