The synthesis of new water treatment agent-organic phosphated sulphonate acid(DPAMS) is introduced.Its performance of scale inhibition and dispersion is studied.

• 介绍了一种新型膦磺酸型水处理剂二甲叉膦酸氨基甲磺酸（DPAMS）的合成方法，并进行了阻垢分散性能的研究。