大气PM <sub>2.5</sub>中汞及其他19种元素的L-半胱氨酸直接加入-超声混酸提取-电感耦合等离子体质谱同时测定法

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Simultaneous determination of mercury and other 19 elements in ambient PM _2.5 by ICP/MS with L-Cysteine direct addition after ultrasonic mixed acid extraction

CHEN Xiang, NI Rong, LIANG Wei-jiu

OCCUPATION AND HEALTH . 2023, (5): 613 -619 .