Here the appropriate concentration of hydrochloride lavation method has been adopted to separate the mono - and di - sulfonicacids directly.
采用适当浓度盐酸溶液洗涤法，直接对单、双磺酸进行分离。
2
The research was concentrated on the co catalysis effect and the related catalytic mechanism of strong acids, such as amino sulfonic acid, p toluenesulfonic acid and fluoroboric acid.