Standard curve was obtained by this method which has good sensitivity.It is also accurate and stable.Measuring absorption luminpsity of montmorillonite to choli acid.

• 测蒙脱土对胆酸吸附的吸光度由标准曲线找出对应胆酸的浓度然后可计算出蒙脱土对胆酸的体外吸附率。