DB34/T 3368.1-2019 印制電路板中有害物質(zhì)分析方法 第1部分:鉛、汞、鉻、鎘和溴的快速篩選 X 射線熒光光譜法
Methods for the analysis of hazardous substances in printed circuit boards - Part 1: Rapid screening X-ray fluorescence spectrometry for lead, mercury, chromium, cadmium and bromine