PLA淋膜纸餐具中4种柠檬酸酯类增塑剂迁移量的气相色谱-质谱检测

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摘 要：本文建立了聚乳酸（Polylactic Acid，PLA）淋膜纸餐具中4种柠檬酸酯类增塑剂迁移量的测定方法。样品经食品模拟物浸泡、提取、离心后，经气相色谱-质谱测定，外标法定量。实验结果表明，该方法操作简单、精密度好、灵敏度高，适用于PLA淋膜纸餐具中4种柠檬酸酯类增塑剂迁移量的定量检测。

关键词：聚乳酸淋膜纸餐具；柠檬酸酯类增塑剂；迁移量；气相色谱-质谱

Determination of Migration Amount of Four Citrate Ester Plasticizers in PLA Coated Paper Tableware by Gas Chromatography-Mass Spectrometry

MA Kefeng， ZHU Yingying， HUANG Rong， CHEN Kejun

（Zhejiang Fangyuan Testing Group Co.， Ltd.， Hangzhou 310018， China）

Abstract： A method for determining the migration amount of 4 citrate plasticizers in polylactic acid （PLA） coated paper tableware was established. The samples were soaked， extracted， centrifuged， determined by gas chromatography-mass spectrometry， and quantified by external standard method. The experimental results show that the method is simple， accurate and sensitive， and is suitable for the quantitative determination of four citric ester plasticizers in PLA coated paper tableware.

Keywords： polylactic acid coated paper tableware; citrate ester plasticizers; migration amount; gas chromatography-mass spectrometry

聚乳酸（Polylactic Acid，PLA）淋膜纸餐具是限塑背景下开发出的新型环保食品包装产品。（剩余3398字）