基于工业园农田土壤和植物的阴离子

全文下载： 202201006.pdf

文章编号： 1672-6987（2022）01-0041-07； DOI： 10.16351/j.1672-6987.2022.01.006

UE-SPE-IC方法研究

朱飞飞， 贾首豪， 刘孝聪， 刘建波*（青岛科技大学 环境与安全工程学院，山东 青岛 266042）

摘要： 为对污染土壤和植物样品进行快速检测，解决传统检测方法效率低下的问题，本研究提出UE-SPE-IC（超声-固相萃取-离子色谱）法测定农田土壤和植物中F-、Cl-、NO-2、NO-3、SO2-4和H2PO-46种阴离子的含量及污染程度。采用ICS-900型离子色谱仪及Dionex AS23型色谱柱（250 mm×4 mm）阴离子交换柱，以3 mmol·L-1 NaHCO3-24 mmol·L-1 Na2CO3溶液为淋洗液，流量为3 mL·min-1。本研究以某工业园附近受污染影响的农田土壤和植物为采集样品，实验结果显示，6种阴离子的浓度与各自对应的峰面积呈良好的线性关系，相关系数为0999 7~0999 9，检出限为0005~0023 mg·L-1(S/N=3)。样品的加标回收率为952%~10482%，测定结果的相对标准偏差为027%~93%。实验结果证明UE-SPE-IC法具有操作简单、准确度高、检测时间短、安全性高等优点，能够满足土壤样品或植株样品中F-、Cl-、NO-2、NO-3、SO2-4和H2PO-46种阴离子的测定要求。

关键词： 工业园； 农田土壤； 植物； UE-SPE-IC； 阴离子

中图分类号： X 53; X 71文献标志码： A

引用格式： 朱飞飞， 贾首豪， 刘孝聪， 等. 基于工业园农田土壤和植物的阴离子UE-SPE-IC方法研究［J］. 青岛科技大学学报(自然科学版), 2022, 43(1): 41-47.

ZHU Feifei, JIA Shouhao, LIU Xiaocong, et al. Study on anion UE-SPE-IC method for soil and plant in industrial park［J］. Journal of Qingdao University of Science and Technology（Natural Science Edition), 2022, 43(1): 41-47.

Study on Anion UE-SPE-IC Method for Soil and Plant in Industrial Park

ZHU Feifei, JIA Shouhao, LIU Xiaocong, LIU Jianbo

(College of Environment and Safety Engineering, Qingdao University of Science and Technology, Qingdao 266042, China)

Abstract: In order to conduct rapid detection of contaminated soil and plant samples and solve the problem of low efficiency of traditional detection methods, a method for the determination of F-, Cl-, NO-2, NO-3,SO2-4 and H2PO-4 6 anions in farmland soil and plant by UE-SPE-IC (ultrasonic-solid phase extraction-ion chromatography) is proposed in this paper. ICS-900 ion chromatograph and Dionex AS23 column (250 mm×4 mm) anion exchange column were used. 3 mmol·L-1NaHCO3-24 mmol·L-1Na2CO3 solution was used as eluent and the flow rate was 3 mL·min-1. In this paper, the soil and plants of the polluted farmland near an industrial park were taken as samples, the experimental results show that there is a good linear relationship between the concentrations of the six anions and their corresponding peak areas, the correlation coefficient is 09997-09999, and the detection limit is 0005—0023 mg·L-1 (S/N=3). The recovery rate of the sample is 952%—10482%, and the relative standard deviation of the determination result is 027%—93%. The experimental results show that UE-SPE-IC method has the advantages of simple operation, high accuracy, short detection time, high integrity, and can meet the requirements of soil samples or plant samples for the determination of F- 、Cl-、 NO-2、NO-3、SO2-4 and H2PO-4 6 anions.

Key words: industrial park; farmland soil; plants; UE-SPE-IC; anionic

收稿日期：  2021-02-22

基金项目： 山东省自然科学基金项目（ZR2016DL01）.

作者简介： 朱飞飞（1994—），女，硕士研究生.*通信联系人.