High Quality Content by WIKIPEDIA articles! X-Ray Spectrometry is a peer-reviewed scientific journal, published in the United Kingdom since 1972 by John Wiley & Sons. In six issues per year, it publishes papers dealing with the theory and application of x-ray spectrometry using electron, x-ray photon, proton, and -x sources. The current Editor-in-Chief is Professor R. Van Grieken from the University of Antwerp, Belgium. The 2007 Impact Factor is 1.117. It is ranked number 24 out of 39 in the Spectroscopy category.Most journals are highly specialized, although some of the oldest journals such as Nature publish articles and scientific papers across a wide range of scientific fields. Scientific journals contain articles that have been peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity.