particle-induced x-ray emission


Also found in: Wikipedia.

particle-induced x-ray emission

[′pärd·ə·kəl in¦düst ′eks‚rā i‚mish·ən]
(analytical chemistry)
A method of trace analysis in which a beam of ions is directed at a thin foil on which the sample to be analyzed has been deposited, and the energy spectrum of the resulting x-rays is measured.
References in periodicals archive ?
The techniques, including particle-induced x-ray emission (PIXE) and neutron activation analysis (NAA), have been used to analyse the elemental composition of paintings as well as the origin of glass samples, among other applications.
The first half of the book, written by the primary authors, describes the interactions between incident ions and target atoms and introduces five ion beam analysis techniques: backscattering spectrometry, elastic recoil detection, nuclear reaction analysis, particle-induced x-ray emission, and ion channeling.
Using the sensitive analytical technique known as particle-induced X-ray emission, the scientists first found three hairs with much higher iron-to-zinc ratios than hairs from humans, other primates in China, or bears, says Frank E.
Full browser ?