微波消解-电感耦合等离子体质谱法测定鲍鱼配合饲料中铅、砷、铬、镉、汞

发布时间：2018-04-22 19:14

本文选题：微波消解 + 电感耦合等离子体质谱　；参考：《饲料工业》2017年22期

【摘要】：采用微波消解法对样品进行前处理,电感耦合等离子体质谱法(ICP-MS)测定鲍鱼配合饲料中铅、砷、铬、镉、汞。研究表明,试验建立的微波消解电感耦合等离子体质谱法标准曲线的回归方程系数均大于0.999,方法检出限分别为4.6、2.1、3.4、1.2、0.5μg/kg,加标回收率为91.0%~101.0%,相对标准偏差均小于5%(n=7),方法具有良好的准确度和灵敏度。与国家标准规定的检测方法相比,该方法能够更快速、准确地测定鲍鱼配合饲料中的五种重金属元素。
[Abstract]:The sample was pretreated by microwave digestion, and the lead, arsenic, chromium, cadmium and mercury in the compound feed of abalone were determined by inductively coupled plasma mass spectrometry (ICP-MS). Research shows that The regression equation coefficients of the standard curve of microwave digestion inductively coupled plasma-mass spectrometry are all greater than 0.999, the detection limit of the method is 4. 6 渭 g / kg, the recovery rate is 91. 0% 101.0 and the relative standard deviation is less than 5%. The method has good accuracy and sensitivity. Compared with the national standard method, this method can be used to determine five heavy metals in abalone compounding feed more quickly and accurately.
【作者单位】：烟台出入境检验检疫局;黄岛出入境检验检疫局;
【基金】：山东检验检疫局科技计划项目[SK201737]
【分类号】：O657.63;S816.17

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