【摘要】 本文研究采用甲苯萃取、活性炭吸附、以及树脂吸附等方法对工业品吐氏酸进行处理，以降低２－萘胺含量，制备高纯度的吐氏酸产品，并对几种方法的放大效应进行了初步研究。结果表明：树脂吸附法效果较好，放大效应较小。更多还原

【Abstract】 Abstract In this papcr,several methods to reduce the 2-naphthylamine content in the Tobias acid product were studied to obtain the high purified Tobias acid.The preliminary discussion of amplified effect of these methods have also been done.The results show that the resin absorption method is better than others,and has little amplified effect.更多还原