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Quantification of polystyrene plastics degradation using C-14 isotope tracer technique

文献类型： 外文期刊

作者： Tian, Lili 1 ; Ma, Yini 1 ; Ji, Rong 1 ;

作者机构： 1.Nanjing Univ, Sch Environm, State Key Lab Pollut Control & Resource Reuse, Nanjing, Peoples R China

2.Jiangsu Acad Agr Sci, Inst Agr Resources & Environm, Nanjing, Peoples R China

期刊名称：ENZYMATIC PLASTIC DEGRADATION （ 影响因子：1.6； 五年影响因子：2.084 ）

ISSN： 0076-6879

年卷期： 2021 年 648 卷

页码：

收录情况： SCI

摘要： C-14-isotope tracer technique is an effective tool for quantitative analysis of compounds. Based on its unique C-14 signal, C-14-isotope tracer has been widely used in degradation of pollutants, especially in a complex environmental matrix. In this chapter, we introduce methods and examples for studying the degradation of polystyrene (PS) plastics using the C-14-isotope tracer technique. C-14-based gel permeation chromatography (GPC), high performance liquid chromatography (HPLC) as well as liquid scintillation counter (LSC) are introduced for analyzing changes in the molecular weight of plastic polymers, generation of hydrophilic products, and complete mineralization of plastics during microbial and UV-induced degradation. With the C-14-isotope tracer technique, further studies on mechanisms for degradation of plastics/microplastics under complex natural environment conditions could be facilitated.

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