高锰酸钾对冷原子吸收法测定汞结果的影响

Effect of Potassium Permanganate on Mercury Content Measured by Cold Atomic Absorption Method

冷原子吸收法是测定水体汞含量的主要方法。介绍了冷原子吸收法测定水体汞的原理,重点阐述了高锰酸钾在冷原子吸收法测定汞中的作用及其浓度对测定结果的影响,并通过对比实验研究确定了在冷原子吸收法测定水体汞过程中高锰酸钾加入量及浓度控制范围,以提高测定结果的准确度和精密度。

Cold atomic absorption spectrometry is the main method to determine mercury content in water. The principle of determination of mercury in water by cold atomic absorption spectrometry is introduced in this paper. The role of potassium permanganate in the determination of mercury by cold atomic absorption spectrometry and the influence of its concentration on the determination results are emphatically expounded. Improve the accuracy and precision of the determination.