建立有机酸盐中Pb、Cd，Cr、As、Fe、Cu、Mn、Co、Ni、Sb等10种杂质元素的微波消解碰撞反应池技术电感耦合等离子体质谱法。通过基体匹配、正确选择测量同位素及内标元素后，有效地克服了因高钙、高钠基体效应带来的测量偏差，极大的消除了多原子离子对待测元素的干扰，使有机酸盐中杂质元素的测试更为准确。方法的检出限为0.015 mg/kg~1.5 mg/kg之间，回收率均在90.0%～110.0%之间，相对标准偏差为2.01%～10.3%。%To study the detection of trace elements such as Pb,Cd,Cr,As,Fe,Cu,Mn,Co,Ni,Sb in organic acid salts by ICP-MS and optimized the dectection conditions of the devices in dynamic collision reaction cell (DRC).With matric matching and correct isotope,the measurement error of high-calcium or high-sodium can effectively overcome.The detection limit of this method were 0.015 mg/kg-1.5 mg/kg ,the recovery rate were 90.0%-110.1%,the precision RSD were 2.01%-10.3%.
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