The concetration association degree in cationic surfactant micellar solution was determined by ISE method and conductance method. The results showed that ISE method was reliable.

• 用离子选择电极法和电导法测定了阳离子表面活性剂胶束溶液中的反离子缔合度。结果表明，离子选择电极法测出的数据可靠。