CAJ | 학술논문

目的：建立桐油中重金属元素的电感耦合等离子体质谱（ ICP-MS）检测方法。方法采用硝酸、双氧水、高氯酸消解法处理样品，用ICP-MS测定桐油中的12种重金属元素。结果12种重金属元素的检出限在0.0008～0.4746μg/L之间，样品回收率在88.9％～108.0％，方法精密度（ RSD）为0.3％～7.8％。结论方法简便、快速、准确，可作为桐油中重金属元素含量检测方法。
목적：건립동유중중금속원소적전감우합등리자체질보（ ICP-MS）검측방법。방법채용초산、쌍양수、고록산소해법처리양품，용ICP-MS측정동유중적12충중금속원소。결과12충중금속원소적검출한재0.0008～0.4746μg/L지간，양품회수솔재88.9％～108.0％，방법정밀도（ RSD）위0.3％～7.8％。결론방법간편、쾌속、준학，가작위동유중중금속원소함량검측방법。
Objective To develop a inductively coupled plasma mass spectrometry ( ICP-MS) method for the determination of heavy metal element in the tung oil .Methods The samples were digested by nitric acid、 hydrogen peroxide and perchloric acid , then the 12 heavy metal element in the tung oil were detected by ICP-MS.Results The limit of quantification ( LOQ) were the range of 0.000 8~0.474 6μg/L for 12 elements, the recoveries were ranged from 88.9%~108.0%, and the relative standard deviations were 0.3%~7.8%.Conclusion This method is simple , fast, accurate, and can be used to detect the heavy metal elements in tung oil .