DS EN 10355:2013 Chemical Analysis Of Ferrous Materials - Inductively Coupled Plasma Optical Emission Spectrometric Analysis Of Unalloyed And Low Alloyed Steels - Determination Of Si, Mn, P, Cu, Ni, Cr, Mo And Sn, Following Dissolution With Nitric And Sulphuric Acids [Routine Method] Defines an inductively coupled plasma optical emission spectrometry routine method for the analysis of unalloyed and low alloyed steels, whose iron content shall be at least 95%.