The role of different soil sample digestion methods on trace elements analysis: a comparison of ICP-MS and INAA measurement results
The role of different soil sample digestion methods on trace elements analysis: a comparison of ICP-MS and INAA measurement results
复制标题
DOI：
10.1007/s00769-006-0238-1
复制
发表时间：
2007-02-01
影响因子：
0.9
通讯作者：
Sansone, Umberto
中科院分区：
文献类型：
--
作者：
Gaudino, Stefania;Galas, Chiara;Sansone, Umberto
土壤、沉积物和废物中痕量元素浓度的测量通常是元素溶解的消化过程和溶解元素的后续测量的组合。 “部分”和“全部”消解方法可用于环境监测活动。为了比较不同方法获得的测量结果，确定并保持对这些方法获得的结果的偏差的控制至关重要。本文将改良王水（HCl+HNO3+H2O2）方法和两种“总”消解方法（微波王水+HF和HNO3+HF）基质消解后获得的ICP-MS结果与仪器中子活化分析（一种测定环境中无机组分总质量浓度的无损分析方法）获得的结果进行了比较。 矩阵。对1个试验区采集的8个农业土壤样品进行比较，采用k(0)-INAA和ICP-MS测定As、Co、Cr、Sb和Zn的质量浓度。使用选定的测量标准评估三种消解方法的 As、Cd、Co、Cr、Cu、Ni、Pb、Sb 和 Zn 结果的偏差。本文强调消解过程是测量的一个组成部分，可以影响环境分析中的测量结果。
The measurement of trace-element concentration in soil, sediment and waste, is generally a combination of a digestion procedure for dissolution of elements and a subsequent measurement of the dissolved elements. "Partial" and "total" digestion methods can be used in environmental monitoring activities. To compare measurement results obtained by different methods, it is crucial to determine and to maintain control of the bias of the results obtained by these methods. In this paper, ICP-MS results obtained after matrix digestion with modified aqua regia (HCl+HNO3+H2O2) method and two "total" digestion methods (microwave aqua regia+HF and HNO3+HF) are compared with those obtained by instrumental neutron activation analysis, a non-destructive analytical method for the determination of the totalmass concentrations of inorganic components in environmental matrices. The comparison was carried out on eight agricultural soil samples collected in one test area and measured by k(0)-INAA and ICP-MS to determine As, Co, Cr, Sb and Zn mass concentration. The bias of results for As, Cd, Co, Cr, Cu, Ni, Pb, Sb and Zn of the three digestion methods were assessed using selected measurement standards. This paper highlights that the digestion procedure is an integral part of the measurement and can affect the measurement result in environmental analysis.