The influence of different digesting solutions and different time on determination of DEG content is discussed. By optimization of determinated conditions,the most suitable condition of determination of DEG content in PET chip is defined.

• 讨论不同的分解液和不同的时间条件对测定二甘醇的影响,通过对测定条件的优化,确定出测定聚酯切片中二甘醇含量的最佳条件。