原子吸收分光光度计对重金属离子的检测最优条件研究

Study on the Optimal Conditions for the Detection of Heavy Metal Ions by Atomic Absorption Spectrophotometer

摘要: 影响原子吸收分光光度计对重金属离子的检测的因素有灯电流，狭缝宽度，燃烧器高度等，通过控制变量法对重金属的吸光度进行测定，从而找出吸光度最大时对应的灯电流，狭缝宽度，燃烧器高度，这就是测定该金属离子的最优条件。根据各种金属离子的最优检测条件，对不同浓度的各种金属离子溶液测定作标准曲线。

Abstract: The factors that affect the detection of heavy metal ions by atomic absorption spectrophotometer are lamp current, slit width, burner height, etc. By controlling variable method for heavy metals determination of absorbance, when reached the maximum absorbance, the corresponding lamp current, the slit width, burner height are the optimum conditions. According to the optimal detection conditions of various metal ions, the standard curves of different concentrations of various metal ions were determined.