INDUCTIVELY COUPLED PLASMA ATOMIC EMISSION SPECTROSCOPY: AN OVERVIEW
Journal Title: Int J of Pharm Res & Analy - Year 2014, Vol 4, Issue 8
Abstract
Atomic emission spectroscopy (AES) is a method of chemical analysis that uses the intensity of light emitted from a flame, plasma, arc, or spark at a particular wavelength to determine the quantity of an element in a sample. The wavelength of the atomic spectral line gives the identity of the element while the intensity of the emitted light is proportional to the number of atoms of the element. Atomic emission spectroscopy that concerns the emission of radiation by the suitably excited atomic vapors of the analyte. Here, the emitted radiation and its intensity form the basis for the qualitative and quantitative applications of the technique. It is a multi-element analytical technique that can be used for the analysis of materials in gaseous, liquid, powder or solid form. Its high detection power and wide variety of excitation sources makes it the most extensively used method for analysis. Of the various different atomic emission spectroscopic, an inductively couple plasma (ICP) acts as an atomization- excitation source; the technique being called ICP-availability of sufficiently sensitive interference free spectral lines.
Authors and Affiliations
G. Mahesh Kumar , I Neelam , A Ajitha , V Uma MaheshwaraRao
Keywords
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