ICP-MS is one of the most sensitive analytical techniques allowing for the analysis of up to seventy chemical elements in a photograph. The analysis of minor and trace elements in photographs is conducted in the Chemistry Department of California State University, Northridge under the leadership of Professor David Miller. Photo: Art Kaplan. to support development of new analytical methodologies and test procedures, and to provide characterized standards to aid in the identification of photographic processes. Photo: Dusan Stulik.