Keywords Zinc;Cadmium;Nickel;Copper.X-ray Fluorescence Spectrometry;Waste;Human Hair;PAN Polyacrylonitrile Membrane;Cross-Check Variable Internal Standarl Method.;

• 锌、镉、镍、铜X射线荧光光谱;废水;人发;PAN聚丙烯腈膜;交互校验内标法。;