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本文建立了高效液相色谱法测定PET中的二甘醇含量的方法。该法重复性好,相对偏差小于±5%,与气相色谱法相比具有更高的准确度。
This paper established a method for the determination of diethylene glycol in PET by high performance liquid chromatography. The method has good repeatability, relative deviation of less than ± 5%, and has higher accuracy than gas chromatography.