摘要：
建立了电感耦合等离子体发射光谱(ICP-OES)测定印染废水中Al、Cr、Mn、Fe、V、Ni、Cu、Zn、As、Pb等金属元素的分析方法。样品经微波消解后直接用ICP-OES测定,对影响测定的各种因素进行了较为详细的研究,确定了仪器的最佳工作参数,选择了合适的分析谱线。研究结果表明,10种金属元素的检出限在0.26～58.24μg/L之间;线性关系良好,线性相关系数R2≥0.999 9;精密度良好,RSD<3.1%;回收率为90.48%～108.46%。
关键词:
电感耦合等离子体发射光谱,
印染废水,
微波消解,
金属元素
Abstract:
An analytical method using Inductively Coupled Plasma-Optical Emission Spectrometry（ICP-OES) for rapid simultaneous determination of elements，such as Al，Cr，Mn，Fe，V，Ni，Cu，Zn，As，Pb etc. in printing and dyeing wastewater has been established. After the sample is dissolved by microwave digestion，the solution is determined directly by ICP-OES process. All the factors which have effect on the determination are studied in detail.Working parameters of the instrument are optimized，and suitable analytical spectral lines are chosen. The results show that the detection limits of 10 kinds of metal elements range from 0.26 μg/L to 58.24 μg/L depending on the elements. The linear relationship is good，and linear related coefficient R2≥0.999 9. The precision is fine，RSD< 3.1%，and recovery rates of samples range from 90.48%－108.46%.
Key words:
inductively coupled plasma optical emission spectrometry,
printing and dyeing wastewater,
microwave digestion,
metal elements
中图分类号:
聂西度, 谢华林. ICP-OES法测定印染废水中多种金属元素[J]. 工业水处理, 2012, 32(5): 84-86.
Nie Xidu, Xie Hualin. Determination of various metal elements in printing and dyeing wastewater by Inductively Coupled Plasma (ICP)-Optical Emission Spectrometry (OES) process[J]. INDUSTRIAL WATER TREATMENT, 2012, 32(5): 84-86.