No research paper has chosen the plastic packaging Ham for the study, using GC on the ham phthalate plasticizers qualitative and quantitative analysis.
论文选择目前暂无研究的塑料包装西式火腿作为研究对象，采用气质联用法对火腿中的邻苯二甲酸酯类增塑剂进行定性定量分析。
The second chapter introduces the plastic packaging Ham phthalate plasticizers in the pre-treatment methods, including extraction and purification methods.
第二章详细介绍塑料包装西式火腿中邻苯二甲酸酯类增塑剂的前处理方法，包括提取及净化方法。
The phthalate plasticizers over time, temperature and other conditions change gradually migrate from the plastic to the food, resulting in the contamination of food.
而邻苯二甲酸酯类增塑剂会随着时间、温度等条件的变化逐渐从塑料向食品中迁移，从而导致食品的污染。
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