Effect of soil particle size on fluorescence characteristics of anthracene and its correction

Ren-jie YANG; Gui-mei DONG; Yan-rong YANG; Chang-hong ZHOU; Hai-xue LIU; Wei-yu ZHANG

doi:10.3788/OPE.20162411.2665

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Effect of soil particle size on fluorescence characteristics of anthracene and its correction

Modern Apploed Optics | 更新时间：2020-07-07

- Effect of soil particle size on fluorescence characteristics of anthracene and its correction
- Editorial Office of Optics and Precision Engineeri Vol. 24, Issue 11, Pages: 2665-2671(2016)
- 作者机构：
  
  1.天津农学院工程技术学院, 天津 300384
  2.天津农学院农业分析测试中心, 天津 300384
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20162411.2665
  CLC： O657.33
- Received：25 July 2016，
  
  Accepted：04 September 2016，
  
  Published：25 November 2016
- 稿件说明：
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Ren-jie YANG, Gui-mei DONG, Yan-rong YANG, et al. Effect of soil particle size on fluorescence characteristics of anthracene and its correction[J]. Editorial office of optics and precision engineeri, 2016, 24(11): 2665-2671.
DOI：

Ren-jie YANG, Gui-mei DONG, Yan-rong YANG, et al. Effect of soil particle size on fluorescence characteristics of anthracene and its correction[J]. Editorial office of optics and precision engineeri, 2016, 24(11): 2665-2671. DOI： 10.3788/OPE.20162411.2665.

摘要

为了准确检测土壤中的多环芳烃，以土壤中典型多环芳烃污染物蒽为检测对象，研究了土壤粒径大小对其荧光特性的影响，并提出了一种校正土壤粒径大小对多环芳烃标准曲线影响的方法。研究了蒽在土壤中的荧光特性，指出蒽在421 nm、442 nm和470 nm处出现较强的荧光峰。接着，制备7种不同粒径大小的蒽土壤样品，并以土壤粒径大小为外扰，构建了同步和异步二维相关荧光谱，研究了蒽荧光强度和304 nm处瑞利散射光强随土壤粒径大小的变化。结果显示，随着土壤粒径增大，蒽荧光强度和304 nm处瑞利散射光强度都有增强。最后，分别建立了80目和160目土壤粒径下定量分析土壤蒽浓度的标准曲线，并通过304 nm处瑞利散射光对蒽荧光进行校正。结果表明：该方法有效降低了土壤粒径大小对蒽标准曲线的影响。

Abstract

To detect the polycyclic aromatic hydrocarbons(PAHs) in soils accurately

the typical PAH pollutants of anthracene in soils was used as research targets

and the effect of soil particle size on the fluorescence characteristics was researched. Then

a correction method was established to reduce the influence of soil particle size on the standard curve of PAH. The fluorescence characteristics of anthracene in soils were studied and three fluorescence peaks were shown at 421 nm

442 nm and 470 nm. Seven soil samples with different particle sizes contaminated with anthracene were prepared. On the basis of the perturbation of soil particle sizes

the synchronous and asynchronous two-dimensional(2D) correlation fluorescence spectra were calculated and the variations of the fluorescence intensity of anthracene and Rayleigh scattering intensity at 304 nm with soil particle sizes were studied. It was found that the fluorescence intensity of anthracene and Rayleigh scattering intensity enhance with the increase of soil particle sizes. Finally

the standard curves were established to determine the concentration of anthracene in 80 mesh and 160 mesh soils

respectively

and the fluorescence of anthracene was corrected by the Rayleigh scattering at 304 nm. The results show that the proposed corrected method effectively reduces the effect of soil particle size on the standard curve of anthracene.

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references

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