基于便携式X射线荧光光谱法的土壤重金属快速检测

doi:10.3969/j.issn.1004-1524.2019.21.17

浙江农业学报 ›› 2019, Vol. 31 ›› Issue (11): 1903-1908.DOI: 10.3969/j.issn.1004-1524.2019.21.17

基于便携式X射线荧光光谱法的土壤重金属快速检测

杨桂兰^1,2, 倪晓芳^1,2,*, 张长波^1,2

1.上海化工研究院有限公司,上海 200062;
2.工业(土壤污染修复)产品质量控制和技术评价实验室,上海 200062

收稿日期:2019-07-08 出版日期:2019-11-25 发布日期:2019-12-04
通讯作者: *,倪晓芳,E-mail: nxf@ghs.cn
作者简介:杨桂兰(1990—),女,山东莒县人,硕士,工程师,从事X射线荧光技术分析检测研究。E-mail: ygl090206@163.com
基金资助:
上海市科委2018年度社会发展领域项目(18DZ1204101); 上海市科委2017年度研发平台专项(17DZ2290800)

Rapid determination of heavy metals in soils based on portable X-ray fluorescence spectroscopy

YANG Guilan^1,2, NI Xiaofang^1,2,*, ZHANG Changbo^1,2

1. Shanghai Research Institute of Chemical Industry Co., Ltd., Shanghai 200062, China;
2. Quality Control and Technology Assessment Lab of Industrial (Soil Remediation) Product, Shanghai 200062, China

Received:2019-07-08 Online:2019-11-25 Published:2019-12-04

摘要/Abstract

摘要： 考查便携式X射线荧光光谱(PXRF)法对6类典型土壤中重金属Cr、Cu、Zn、As、Pb、Ni进行检测的精密度和准确度,探究其适用性。结果表明,在一定前处理条件下,PXRF法对6类土壤的检测精密度在0.14%~11.40%。以电感耦合等离子体发射光谱(ICP-OES)法的检测结果作为参考,PXRF法对其中5类土壤中重金属元素的检测准确度在75%~125%,基本可以满足土壤重金属快速检测要求,但是对于砖红壤中Cr和低浓度As的检测准确度较低,不能满足实验要求,有必要做进一步研究。

关键词: 土壤, 重金属, 快速检测

Abstract: In the present study, the precision and accuracy of portable X-ray fluorescence spectroscopy (PXRF) in heavy metal (Cr, Cu, Zn, As, Pb and Ni) determination in six typical soils were investigated to reveal its feasibility. It was shown that under the premise of processing, the determination precision of heavy metals in 6 typical soils by PXRF method was within 0.14% and 11.40%. By taking the results of inductively coupled plasma optical emission spectrometry (ICP-OES) method as reference, the determination accuracy of PXRF method in 5 typical soils was within 75% and 125%, which could meet the requirements of rapid determination of heavy metals in soil, but the accuracy of Cr and low concentration of As in latosol was low by PXRF method, which could not meet the requirement and should be further improved.

Key words: soil, heavy metal, rapid determination

中图分类号:

S153

杨桂兰, 倪晓芳, 张长波. 基于便携式X射线荧光光谱法的土壤重金属快速检测[J]. 浙江农业学报, 2019, 31(11): 1903-1908.

YANG Guilan, NI Xiaofang, ZHANG Changbo. Rapid determination of heavy metals in soils based on portable X-ray fluorescence spectroscopy[J]. , 2019, 31(11): 1903-1908.

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基于便携式X射线荧光光谱法的土壤重金属快速检测

Rapid determination of heavy metals in soils based on portable X-ray fluorescence spectroscopy

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