气相色谱-质谱法测定食品接触塑料制品中的12种甲基丙烯酸酯类单体在水系模拟物中的迁移量
GC-MS Determination of 12 Methacrylates Migrated from Plastics in Contact with Foods to Aqueous Simulants
摘 要
提出了测定食品接触塑料制品中的12种甲基丙烯酸酯类单体在水系模拟物中迁移量的气相色谱-质谱法。样品在100 ℃水系模拟物中恒温浸泡2 h后,浸泡液经乙酸甲酯振荡萃取10 min,提取液在DB-5MS毛细管色谱柱上分离,质谱分析中选择电子轰击离子源和选择离子监测模式。12种甲基丙烯酸酯类单体在0.600~10.0 mg·L-1范围内呈线性关系,检出限(10S/N)在0.006~0.04 mg·L-1之间。加标回收率在86.6%~115%之间,测定值的相对标准偏差(n=6)在1.2%~9.1%之间。
甲基丙烯酸酯类
迁移
水系模拟物
GC-MS
Methacrylates
Migration
Aqueous simulants
Abstract
A GC-MS method was developed to determine 12 methacrylates migrated from plastics in contact with foods to aqueous simulants. The sample was soaked in aqueous simulants with constant temperature of 100 ℃ for 2 h, then the soaking solution was extracted with methyl acetate for 10 min by shaking. The extract was separated on a DB-5MS chromatographic column. EI and SIM were adopted in MS analysis. The linear ranges of the 12 methacrylates were 0.600-10.0 mg·L-1, with detection limits (10S/N) in the range of 0.006-0.04 mg·L-1. Recovery rates obtained by standard addition method were in the range of 86.6%-115%, and RSDs (n=6) were in the range of 1.2%-9.1%.
中图分类号 O657.63 DOI 10.11973/lhjy-hx201607014
所属栏目 工作简报
基金项目
收稿日期 2015/6/11
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备注王建玲(1962-),女,浙江台州人,高级工程师,研究 方向为食品及食品接触材料的理化检测和法律法规研究。
引用该论文: WANG Jian-ling,GUAN Xiao-chao,LIU Ting-fei. GC-MS Determination of 12 Methacrylates Migrated from Plastics in Contact with Foods to Aqueous Simulants[J]. Physical Testing and Chemical Analysis part B:Chemical Analysis, 2016, 52(7): 809～814
王建玲,管筱超,刘艇飞. 气相色谱-质谱法测定食品接触塑料制品中的12种甲基丙烯酸酯类单体在水系模拟物中的迁移量[J]. 理化检验－化学分册, 2016, 52(7): 809～814
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参考文献
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【2】Food Additive Standards Division, Korea Food and Drug Administration. Korea standards and specifications for utensils, containers and packing for food products［M］. s.l.: Korea Food and Drug Administration, 2011．
【3】马明,清江,周韵,等.顶空-气相色谱法测定聚甲基丙烯酸甲酯制品中甲基丙烯酸甲酯单体的迁移量［J］.理化检验-化学分册, 2013,49(12):1486-1488．
【4】王云玉,李丹,刘莹峰,等.顶空-GCMS法测定食品模拟物中的甲基丙烯酸甲酯［J］.现代测量与实验室管理, 2011,19(1):8-9．
【5】董清木,林睿,赖莺,等.葵花籽油模拟液中甲基丙烯酸甲酯迁移量的测定［J］.食品安全质量检测学报, 2013,4(4):1068-1071．
【6】Official Journal of the European Union. On plastic materials and articles intended to come into contact with food (Text with EEA relevance)［J］. Official Journal of the European Union, 2011,1:10-14．
【7】BS EN 13130-1:2004 Materials and articles in contact with foodstuffs - Plastics substances subject to limitation - Part 1:Guide to test methods for the specific migration of substances from plastics to foods and food simulants and the determination of substances in plastics and the selection of conditions of exposure to food simulants［S］．
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