X-Ray Absorption Spectroscopy (XAS) is a powerful technique for probing the local electronic and geometric structure of matter with element and site specificity. By measuring the absorption of X-rays ...

CHAMPAIGN, Ill. — Ancient light absorbed by neutral hydrogen atoms could be used to test certain predictions of string theory, say cosmologists at the University of Illinois. Making the measurements, ...

Flame Atomic Absorption Spectroscopy (FAAS) is a very popular analytical technique that has been employed by researchers for the elemental analysis of trace metals in a variety of samples. How does it ...

What is Atomic Absorption Spectrometry? AAS is a technique for determining how much of a specific element is present in the specimen under study. The uptake of optical radiation by neutral atoms in ...