The complex formation reactions of thorium nitrate and sodium salt of EDTA with an amino acid (d-Val, dl-Ile, dl-Met, l-Gln, l-Pro) have been studied by the method of PH potential titration.

• 用pH电位法研究了Th(NO_3)_4、乙二胺四乙酸二钠盐分别与d-缬氨酸,dl-异亮氨酸,dl-蛋氨酸,l-谷氨酰胺、l-脯氨酸在水溶液中的有关络合反应。