红外光谱法对PE食品包装膜中再生料的快速鉴别

Infrared Spectroscopy for Rapid Identification of Reworked Material in Food Packaging Film PE

利用红外光谱法鉴别聚乙烯包装膜中是否含有再生料,结构表明,红外光谱分析法作为定性分析,通过和样品标准光谱特征的对比,完全能够鉴别出样品中是否添有再生料。该方法除了测量速度快的优点外,还具有分析成本低、无污染,操作简单方便等特点,在所建立模型的预测范围内,能对样品进行准确、快速的定性分析。

Whether the use of infrared spectrometry in the identiifcation of polyethylene iflm contains reworked material, structure shows that the infrared spectrum analysis method for qualitative analysis, through the comparisons of samples with the standard spectra characteristics, fully able to identify whether the samples contain other substances, namely the reworked material. In addition to measuring the advantages of fast speed, this method also has the analysis of low cost, no pollution, easy and convenient operation etc., are 0within the scope of forecasting model, can accurate and rapid qualitative analysis was carried out on the sample.