The EM-Tec RXS-36M metals reference standard includes 36 reference metal elements and a 200µm aperture copper Faraday cup. All mounted in a Ø25.4 x 9mm high stainless steel 303 block. Intended as reference standard for quantitative EDS and WDS micro-analysis applications.Reference materials: C, Al, Si, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ge, Se, Sc, Y, Zr, Mo, Nb, Sn, Sb, Ru, Rh, Pd, Ag, Te, Hf, Ta, W, Re, Os, Ir, Au, Bi, Pt and U. 200µm copper Faraday cup.