重现性实验和回收率实验表明方法精密度及准确度良好。
Experiments of repeatability and recovery showed favorable precision and accuracy.
回收率实验表明，苯酚经预蒸馏后平均回收率在95%左右，损失率达5%。
The experiment of recovery fraction shows that after distillation the recovery fraction of phenolic acid is about 95% and the loss efficiency is about 5%.
对测定波长、显色时间及各种组分的用量进行了考察，选择了最佳的实验条件，并进行了回收率实验。
Wavelength, coloration time and amount of different components were studied. The best experimental conditions were given. The recovery rate was determined.
应用推荐