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地质样品基体复杂，包含元素多而且含量差别很大。在测定其中的痕量组份时，由于受到基体效应和各种干扰的影响，往往不容易得到准确的结果。如何保证分析测定的准确性，是地球化学分析界乃至整个痕量分析界所十分关切的课题。
Geological samples matrix complex, contains many elements and the content varies widely. In the determination of trace components, due to the substrate effect and various interferences, it is often not easy to get accurate results. How to ensure the accuracy of the analytical determination is a topic of great concern to the geochemical analysis community and even the entire trace analysis community.