AG-550 is an economical, practical, and easy-to-use X-ray fluorescence spectrometer; RoHS analysis, halogen analysis, heavy metal composition analysis, metalCoating analysis has good detection limits for elements such as lead (Pb), mercury (Hg), cadmium (Cd), chromium (Cr), bromine (Br), chlorine (Cl), arsenic (As), antimony (Sb), etcAnd precision. Comprehensive application of FP method, neural network method, empirical coefficient method, and basic parameter method analysis software. Can meet RoHS/WEEE/EN71 standards/ELVControl requirements related to instructions. The carefully designed open working curve function is particularly suitable for controlling multi material factory processes.