石墨炉原子吸收法测定土壤中铅、镉的方法
Method for Determining Lead and Cadmium in Soil Using Graphite Furnace Atomic Absorption Spectroscopy
张娜1
作者信息
- 1. 星火环保科技山西有限公司, 山西 运城 044000
- 折叠
摘要
土壤中的重金属污染已成为世界范围内环境保护的重要问题之一.铅和镉是常见的土壤重金属污染物,对人类健康和生态系统造成严重影响.因此,准确测定土壤中的铅和镉含量对于环境监测和土壤污染防治至关重要.本文介绍了一种使用石墨炉原子吸收光谱法测定土壤中铅和镉的方法,铅质量浓度 0～600.0 μg/L、镉质量浓度0～6.0 μg/L范围内有良好的线性关系,相对标准偏差铅、镉分别为 3.70%、4.29%,该方法具有高灵敏度、高选择性和较低的检测限,能满足土壤中铅、镉的监测要求.
Abstract
Heavy metal pollution in soil has become one of the important environmental protection issues worldwide.Lead and cadmium are common heavy metal pollutants in soil,causing serious impacts on human health and ecosystems.Therefore,accurate determination of lead and cadmium content in soil is crucial for environmental monitoring and soil pollution prevention and control.This article introduces a method for determining lead and cadmium in soil using graphite furnace atomic absorption spectroscopy,with a lead mass concentration of 0～600.0 μg/L,cadmium mass concentration of 0～6.0 μg/L,in whinch there is a good linear relationship,with relative standard deviations of 3.70%and 4.29%for lead and cadmium,respectively.This method has high sensitivity,high selectivity,and low detection limit,which can meet the monitoring requirements for lead and cadmium in soil.
关键词
石墨炉原子吸收法/土壤/铅/镉/电热板湿法消解Key words
graphite furnace atomic absorption spectroscopy/soil/lead/cadmium/wet digestion of electric heating plate引用本文复制引用
出版年
2024
NETL
NSTL
万方数据