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应用高效液相色谱法对酚醛树脂进行质量表征，以酚醛树脂中小分子化合物组分的变化为依据，选定两个特征峰，以峰面积之比作为表征参数，表征酚醛树脂的质量。
Phenol resin was characterized by high performance liquid chromatography (HPLC). Based on the changes of the composition of the small molecular compounds in the phenolic resin, two characteristic peaks were selected. The peak area ratio was used as the characterization parameter to characterize the quality of the phenolic resin.