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双道原子荧光在检测农产品中的元素(铅、镉、汞、砷等常见元素)发挥着非常重要的作用,本仪器具有好操作、灵敏度高、结果可靠等优点。本文主要阐述仪器分析中应注意的几个事项,主要包括实验所用的试剂纯度、污染问题,以及本仪器日常的基本维护。每个熟练的仪器操作者应对这些问题重视起来,因为它们关系到检测结果的准确度、精确度。一、实验所用试剂的纯度双道原子荧光分析方法对所用试剂的纯度有着严格的要求,实验室所用的酸、还原剂(硼氢化钾或者硼氢化钠)以及整个实验过程中用的其他试剂应有纯度保证。建议使用合格的优级纯以
Dual-channel atomic fluorescence in the detection of agricultural products elements (lead, cadmium, mercury, arsenic and other common elements) play a very important role, the instrument has good operation, high sensitivity, the results are reliable and so on. This article focuses on several issues that should be noted in instrumental analysis, including the purity of reagents used in the experiment, the problem of contamination, and the routine maintenance of the instrument. Each skilled instrument operator should pay attention to these problems, because they are related to the accuracy of the test results, accuracy. First, the purity of reagents used in the experiment Dual-channel atomic fluorescence spectrometry on the purity of the reagents used have strict requirements, the laboratory used acid, reducing agent (potassium borohydride or sodium borohydride) and the entire experiment with other reagents should be Purity guaranteed. It is recommended to use qualified excellent pure to