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采用毛细管气相色谱技术 ,使用二甲基聚硅氧烷毛细管色谱柱 ,利用程序升温、程序升压及分流进样法 ,通过实验选择最佳分析操作条件 ,较成功地测定出 5 0 1抗氧防胶剂纯度及其游离甲酚含量。
Using capillary gas chromatography, using dimethyl polysiloxane capillary column, the use of temperature program, step-up and shunt injection method, through the experimental analysis of the best choice of operating conditions, the more successful determination of 5 0 1 antioxidant Anti-sealant purity and its free cresol content.