广州质量监督检测研究院,广州市食品安全风险动态监测与预警研究中心,广州市食品安全检测技术重点实验室, 广州市NQI-质量安全科技协同创新中心,广东 广州 511447
冼燕萍,硕士,教授级高级工程师,研究方向:食品接触材料及制品的质量安全与标准化,E-mail:13642613459@139.com
纸质出版日期:2024-07-15,
收稿日期:2024-01-11,
修回日期:2024-03-03,
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胡均鹏,奚晓翔,戴航,刘城昊,陈荣桥,梁明,冼燕萍,吴玉銮,侯向昶,张浩和.表面增强拉曼光谱法测定食品接触用塑料材料及制品中4,4'-二氯二苯砜的迁移量[J].分析测试学报,2024,43(07):1025-1031.
HU Jun-peng,XI Xiao-xiang,DAI Hang,LIU Cheng-hao,CHEN Rong-qiao,LIANG Ming,XIAN Yan-ping,WU Yu-luan,HOU Xiang-chang,ZHANG Hao-he.Determination of 4,4'-Dichlorophenyl Sulfone Migration from Plastic Food Contact Material Products by Surface Enhanced Raman Spectroscopy[J].Journal of Instrumental Analysis,2024,43(07):1025-1031.
胡均鹏,奚晓翔,戴航,刘城昊,陈荣桥,梁明,冼燕萍,吴玉銮,侯向昶,张浩和.表面增强拉曼光谱法测定食品接触用塑料材料及制品中4,4'-二氯二苯砜的迁移量[J].分析测试学报,2024,43(07):1025-1031. DOI: 10.12452/j.fxcsxb.24011101.
HU Jun-peng,XI Xiao-xiang,DAI Hang,LIU Cheng-hao,CHEN Rong-qiao,LIANG Ming,XIAN Yan-ping,WU Yu-luan,HOU Xiang-chang,ZHANG Hao-he.Determination of 4,4'-Dichlorophenyl Sulfone Migration from Plastic Food Contact Material Products by Surface Enhanced Raman Spectroscopy[J].Journal of Instrumental Analysis,2024,43(07):1025-1031. DOI: 10.12452/j.fxcsxb.24011101.
建立了食品接触用塑料材料及制品中4,4'-二氯二苯砜迁移量的表面增强拉曼光谱测定方法。首先对制备的金纳米颗粒(AuNPs)进行表征,并通过理论计算对4,4'-二氯二苯砜的拉曼特征峰进行归属。随后参照GB 31604.1-2015和GB 5009.156-2016的规定进行食品接触用塑料材料及制品中4,4'-二氯二苯砜的迁移实验,将迁移液与AuNPs混合后进行SERS测试,并采用高效液相色谱法进行验证。4,4'-二氯二苯砜的特征峰(748 cm
-1
)强度与4,4'-二氯二苯砜质量浓度在0.05~10 mg/L范围内呈现良好的线性关系,相关系数为0.992 8,回收率为85.2%~93.4%,相对标准偏差为4.2%~6.6%,与HPLC方法结果基本一致。使用所建方法对5个不同品牌聚苯砜奶瓶中的4,4'-二氯二苯砜迁移量进行测定,结果均未检出。该方法具有快速、准确、操作简单等优点,可为食品接触用塑料材料及制品中4,4'-二氯二苯砜的检测提供技术参考。
Surface enhanced Raman spectroscopy(SERS) was used to detect the migration of 4,4'-dichlorophenyl sulfone from plastic food contact materials. Au nanoparticles were prepared for SERS substrate and characterized,then the Raman characteristic peaks of 4,4'-dichlorophenyl sulfone were assigned by theoretical calculation. The migration behavior of 4,4'-dichlorophenyl sulfone in plastic food contact material products was carried out according to the GB 31604.1-2015 and GB 5009.156-2016. The obtained solution was passed through a 0.22 μm filter membrane,and mixed with AuNPs to perform SERS test,and the results were validated by high performance liquid chromatography(HPLC). The intensity of the characteristic peak(748 cm
-1
) of 4,4'-dichlorophenyl sulfone showed a good linear relationship with the mass concentration of 4,4'-dichlorophenyl sulfone in the range of 0.05-10 mg/L,and the correlation coefficient was 0.992 8,the recoveries of SERS method were 85.2%-93.4% with the relative deviations of 4.2%-6.6%,meanwhile,these results were in good agreement with the HPLC. The proposed method was applied to the determination of 4,4'-dichlorophenyl sulfone in 5 brands of polyphenylene sulfone(PPSU) milk bottles.
This method is rapid,accurate and user friendly,and provides a technical reference for the determination of 4,4'-dichlorophenyl sulfone in food contact materials and products.
表面增强拉曼光谱4,4'-二氯二苯砜金纳米颗粒食品接触用塑料材料及制品迁移量
surface enhanced Raman spectroscopy4,4'-dichlorophenyl sulfoneAu nanoparticlesplastic food contact material productsmigration
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