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研究观察了用环氧乙烷 (EOG)法对 3种配方 4种规格的一次性使用无菌注射器橡胶活塞 (以下简称胶塞 )灭菌后易氧化物的影响。结果表明：灭菌使胶塞的易氧化物值显著增加；且随灭菌后自然停放时间的延长而下降，大月 1个月可达到或接近平衡；不同灭菌条件对胶塞易氧化物有明显的影响；胶塞配方对灭菌前、后的易氧化物都有重要的影响，且灭菌前易氧化物高的灭菌后也高；灭菌后用 70℃加速 EOG的解析，可使胶塞在灭菌后的易氧化物迅速下降，大约 48h可接近平衡。
The effect of the ethylene oxide (EOG) method on the susceptibility to oxidation of three types of disposable sterile syringe rubber pistons (hereinafter referred to as rubber stoppers) was investigated. The results showed that: the sterilizing can increase the number of easy oxides of rubber stoppers, and decreased with the extension of the natural parking time after sterilization. The large moon can reach or nearly reach equilibrium in one month; different sterilization conditions can easily affect oxides. There are obvious effects; the rubber stopper formula has an important influence on the easy oxides before and after the sterilization, and it is also highly sterilized after the sterilization with high susceptibility to oxidation; after sterilizing, the analysis of EOG is accelerated with 70°C, Easily oxidize the plug after the sterilization can quickly decline, about 48h can be close to equilibrium.