采用丝网印刷电极,通过电化学沉积法修饰纳米金颗粒,对化妆品中重金属Hg2+进行快速测定.实验结果表明,Hg2+在金纳米粒子修饰电极上可得到灵敏的溶出峰,在优化的实验条件下Hg2+在5-160 μg·L-1范围内呈现良好的线性关系,相关系数为0.992,检测限为0.3 μ,g·L-1.该方法简便、快速、灵敏度较高、具有较好的选择性和准确性,能满足化妆品中Hg2+含量的检测分析.
We used gold nanoparticle-modified screen-printed carbon electrodes (AuNPs-SPCE) to detect Hg2+ in cosmetic by square wave anodic stripping voltammetry (SWASV).The experimental results show that a sensitive stripping peak of Hg2+ was obtained.Under the optimal conditions,the linear range was 5-160 μg· L-1with the r value of 0.992 and the limit of detection was 0.3 μg·L-1 (n =20).This method was simple,fast,sensitivity,selectivity and accurate,and was used to detect trace Hg2+in cosmetic with satisfactory results.
参考文献
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%