显微⁃傅里叶变换红外光谱鉴别分析微塑料  

Identification and Analysis of Microplastics by Micro Fourier Transform Infrared Spectroscopy

作　　者：汤庆峰[1] 李琴梅[1] 王佳敏 张裕祥[1] 高峡[1] TANG Qingfeng;LI Qinmei;WANG Jiamin;ZHANG Yuxiang;GAO Xia(Beijing Center for Physical and Chemical Analysis,Beijing Key Laboratory of Organic Materials Testing Technology&Quality Evaluation,Beijing Engineering Research Center of Food Safety Analysis,Beijing 100089,China)

机构地区：[1]北京市理化分析测试中心,有机材料检测技术与质量评价北京市重点实验室,北京市食品安全分析测试工程技术研究中心,北京100089

出　　处：《中国塑料》2021年第8期172-180,共9页China Plastics

基　　金：北京市科学技术研究院高水平创新团队计划项目(HIT201902):高分子相关环境污染物解析。

摘　　要：利用显微‐傅里叶变换红外光谱技术分析鉴别了不同粒径及不同种类的微塑料(粒径小于5 mm的塑料、纤维或橡胶碎片),系统阐述了反射、透射、衰减全反射3种测量模式及其微区成像技术在微塑料鉴别分析中的优缺点。基于显微‐傅里叶变换红外光谱衰减全反射技术,分析了北京景观水样中的微塑料,结果表明该方法简单、准确、可靠。Micro Fourier‐transform infrared spectroscopy(micro‐FTIR)was used to analyze and identify microplastics with different particle sizes and different compositions.These microplastics include the plastic,fiber or rubber fragments with particle size less than 5 mm.The advantages and disadvantages of three measurement modes including reflection,transmission and attenuated total reflection and their scanning technologies in the identification and analysis of microplas‐tics were systematically described.Based on the attenuated total reflection technique of micro‐FTIR,the microplastic obtained from the Beijing landscape water were analyzed and identified.The results indicated that this method was sim‐ple,accurate and reliable.

关 键 词：微塑料 显微‐傅里叶变换红外光谱 反射 透射 衰减全反射 

分 类 号：TQ325.12[化学工程—合成树脂塑料工业]