absorption spectroscopy


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absorption spectroscopy

[əb′sȯrp·shən ‚spek′träs·kə·pē]
(spectroscopy)
An instrumental technique for determining the concentration and structure of a substance by measuring the intensity of electromagnetic radiation it absorbs at various wavelengths.
References in periodicals archive ?
Transient absorption spectroscopy is typically an expensive technique, making it inaccessible to college students; however, our new Flash Photolysis Spectrometer is priced at one-fifteenth of the typical educator price for this type of technology, making it more readily available for undergraduate labs," said Melissa Hill, Ph.
wet chemistry analysing methods (atomic absorption spectroscopy (AAS) including flame atomic absorption spectroscopy (FAAS) and electro-thermal atomic absorption spectroscopy (GFAAS, with graphite tube),
Based on technology, the atomic spectroscopy market comprises X-Ray Fluorescence Spectroscopy, Atomic Absorption Spectroscopy, X-Ray Diffraction Spectroscopy, Inductively Coupled Plasma Spectroscopy, Inductively Coupled Plasma-Mass Spectroscopy, Elemental Analyzers, and others.
Combining advanced tuneable diode laser absorption spectroscopy (TDL) technology with sophisticated Servomex signal processing software, the SGMax delivers accurate moisture level readings with a performance enhanced by drift free operation, low maintenance and no requirement for a pump, explains a company press release.
The LyoFlux 200 is a two line-of-sight tuneable diode laser absorption spectroscopy (TDLAS) based device for continuous monitoring of laboratory, pilot and production scale lyophilization cycles.
Subsequent sections address different surface analysis methods for the characterization of reactive glass surfaces, infrared and raman spectroscopy and microscopy, and X-ray absorption spectroscopy for the characterization of the chemical environment of metals in silicate glass materials, followed by studies of these methods to characterize archaeological glass fragments, historic museum pieces in glass, or other related materials, including Roman glass, European trade beads in Northeastern North America, Venetian soda glass, historic English lead glass, and Spanish monuments, and those from Bronze Age Italy, the Merovingian period in Western Europe, South and Southeast Asia, the Middle East, the Medieval period, and Versailles.
Officials from SRL Diagnostics claimed that they receive around 600 samples every month for Atomic Absorption Spectroscopy, which detects metal content in human body fluids.
Then, they determined the concentration of ions through flame atomic absorption spectroscopy after carrying out the extraction process of the toxic metals by using nanoparticles.
ABB's CEMS solution is based on Ultraviolet Resonance Absorption Spectroscopy (UV - RAS).
It should be distinguished from quantitative X-ray absorption spectroscopy of the evaporated fill (Curry 2008) to obtain plasma particle densities.
A sampling of topics: novel computational methods for nanostructure electronic structure calculations, chemistry of Hofmeister anions and osmolytes, tuned range-separated hybrids in density functional theory, oxide surface science, functional motifs in biochemical reaction networks, molecular structural dynamics probed by ultrafast x-ray absorption spectroscopy, statistical mechanical concepts in immunology, bio-enabled synthesis of metamaterials, transition-path theory and path-finding algorithms for the study of rare events, enhanced sampling of nonequilibrium steady states, and fluctuations in biological and bioinspired electron-transfer reactions.
3:40 THE USE OF FLAME ATOMIC ABSORPTION SPECTROSCOPY (FAAS) TO DETERMINE THE AMOUNT OF MANGANESE PRESENT IN OXALATE OXIDASE FROM CERIPORIOPSIS SUBVERMISPORA **, Christopher Brooks * and Ellen W.