The EM-Tec CXS-6F calibration standard includes 6 reference materials and a 200µm aperture copper Faraday cup. All mounted in a compact Ø12.7mm standard aluminum pin stub. The copper Faraday cup and aluminum pin stub can serve as a Cu/Al reference for detector gain/zero calibration. Intended for: EDS detector performance, light element detection, EDS detector resolution and EDS detector calibration.Reference materials: Cu, Mn, Ti, CaCo3, B and C. 200µm copper Faraday cup.