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通过对羧化法合成苯乙酸反应液中苯乙酸含量的气相色谱分析测定，为优化工艺条件及提高产率提供了依据．通过采取必要的样品预处理，选择合适的GC条件对苯乙酸进行了定量测定．方法平均回收率为99．18％，变异系数为0．82％．
The determination of phenylacetic acid content in the reaction solution of phenylacetic acid by carboxylation was determined by gas chromatography, which provided the basis for optimizing the process conditions and increasing the yield. Phenylacetic acid was quantitatively determined by taking the necessary sample pretreatment and selecting the appropriate GC conditions. The average recovery rate was 99.18% and the coefficient of variation was 0.82%.