包装纸中丙烯酰胺及芳香胺迁移量的检测研究

黄海智, 盛华栋, 李红艳, 张水锋

包装工程(技术栏目) ›› 2018 ›› Issue (13) : 27-31.

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包装工程(技术栏目) ›› 2018 ›› Issue (13) : 27-31. DOI: 10.19554/j.cnki.1001-3563.2018.13.005

包装纸中丙烯酰胺及芳香胺迁移量的检测研究

  • 黄海智1, 盛华栋1, 李红艳2, 张水锋2
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Migration Detection of Acrylamide and Aromatic Amines in Packaging Paper

  • HUANG Hai-zhi1, SHENG Hua-dong1, LI Hong-yan2, ZHANG Shui-feng2
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摘要

目的 建立同时测定包装纸中丙烯酰胺和6种芳香胺迁移量的检测方法。方法 通过筛选固相萃取小柱种类,优化净化方法和液相色谱条件,从而形成丙烯酰胺和6种芳香胺迁移量的固相萃取-高效液相色谱检测方法。结果 丙烯酰胺在0.2~20 mg/L的浓度范围内线性关系良好(R2=0.9989),检测波长为220 nm,检出限为0.01 mg/L;芳香胺在0.2~20 mg/L的浓度范围内线性关系良好(R2>0.998),检测波长为240和280 nm,检出限也为0.01 mg/L。纯水样品中,各化合物的加标回收率在90%以上,相对标准偏差为2.3%~5.9%。实际样品中,芳香胺的加标回收率在86.9%以上,相对标准偏差为2.0%~6.1%;丙烯酰胺的加标回收率为78.7%~81.9%,相对标准偏差为4.2%~6.2%。结论 该方法处理步骤简单,分离效果好,精密度高,从提高检测效率、节约成本的角度来看,该方法值得推广成为常规检测方法。

Abstract

The work aims to develop a detection method that can measure the migration of acrylamide and 6 aromatic amines. A solid phase extraction-high performance liquid chromatography (HPLC) was established to measure the migration of acrylamide and 6 aromatic amines, through screening the types of columns based on solid-phase extraction, and optimizing the purification method and liquid chromatography conditions. The acrylamide had a good linear relation (R2=0.9989), the detection wavelength was 220 nm and the limit of detection was 0.01 mg/L when the concentration range was 0.2~20 mg/L. The aromatic amine had a good linear relation (R2>0.998), the detection wavelength was 220 and 280 nm and the limit of detection was also 0.01 mg/L when the concentration range was 0.2~20 mg/L. In the water sample, the recovery of each compound was above 90% while the relative standard deviation (RSD) was 2.3%~5.9%. In the practical samples, the recoveries of aromatic amines were above 86.9% with 2.0%~6.1% of RSD, while the recovery of acrylamide was 78.7%~81.9% with 4.2%~6.2% of RSD. Featured by simple processing step, good separation effect and high precision, the method is worth being popularized as a routine detection method from the viewpoint of improving detection efficiency and saving cost.

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黄海智, 盛华栋, 李红艳, 张水锋. 包装纸中丙烯酰胺及芳香胺迁移量的检测研究[J]. 包装工程(技术栏目). 2018(13): 27-31 https://doi.org/10.19554/j.cnki.1001-3563.2018.13.005
HUANG Hai-zhi, SHENG Hua-dong, LI Hong-yan, ZHANG Shui-feng. Migration Detection of Acrylamide and Aromatic Amines in Packaging Paper[J]. Packaging Engineering. 2018(13): 27-31 https://doi.org/10.19554/j.cnki.1001-3563.2018.13.005

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浙江省技术质量监督局科技计划(重大)(20160102)

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