Complex formation between glutamic acid and molybdenum (VI)

摘要

Equilibria of the reaction of molybdenum (VI) with L-glutamic acid have been studied in aqueous solution in the pH range 25 to 95, using spec-trophotometric and optical rotation methods at constant ionic strength (0.15 mol dm~(-3) sodium perchlorate)and temperature 25 += 0 1°C, Our studies have shown that glutamic acid forms a mononuclear complex with Mo(VI) of the type MoO_3L~(2-) at pH 5.5. The stability constant of this complexation and the dissociation constants of L-glutamic acid have been deteimined.