The parameters of temperature, thorium concentration, TBP and nitric acid concentration in TBP-kerosene system were measured as a function of the speed of ultrasonic propagation.

• 测定了超声波的声速与有机相的温度、钍浓度、TBP和硝酸浓度等参数关系,除TBP浓度外,均得到了良好的线性关系。