ZHOU Yun,CHEN Fei,YAO Jian-guo,et al.Analysis of Fluorescence Properties of Organic Matters in Environmental Quality Standards for Surface Water[J].China Water & Wastewater,2020,36(19):55-59.
地表水环境质量标准中有机物的荧光特征分析
- Title:
- Analysis of Fluorescence Properties of Organic Matters in Environmental Quality Standards for Surface Water
- 摘要:
- 三维荧光分光光度计法可以快速方便地检测出水体中具有荧光性的物质。使用三维荧光分光光度计对《地表水环境质量标准》（GB 3838—2002）中的69种有机物溶液分别进行检测，发现其中18种有机物具有三维荧光性，并且在一定浓度范围，物质的特征荧光峰值随着浓度的增加而增大，呈现良好的线性关系（R2>0.95）,据此可以实现三维荧光对荧光性有机物的定量分析。通过对三维荧光图谱中荧光峰位置的分析可以发现，有机物的荧光特性和其分子结构有关，据此对荧光性有机物进行分类，可以定性分析水体受荧光性有机物的污染情况。
- Abstract:
- Fluorescent organic matters in water can be detected rapidly and conveniently by using 3D fluorescent technique. Sixty-nine organic matters in Environmental Quality Standards for Surface Water (GB 3838-2002) were detected by using 3D fluorescent technique, and 18 kinds of organic matters had 3D fluorescence. At a certain concentration range, the characteristic fluorescence peak of the orgnaic matter increased with its concentration increasing, and there was a strong linear relation between fluorescence intensity and organic matter concentration (R2>0.95). Accordingly, quantitative analysis of fluorescent organic matters by 3D fluorescence technique could be realized. By analyzing the position of fluorescence peak in the 3D fluorescent spectrum, it could be found that the fluorescence characteristic of organic matter was related to its molecular structure. As a result, it was convenient to classify the fluorescent organic matter and qualitatively analyze the pollution of a water body by fluorescent organic matter.
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