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The solubility properties of ZnSO 4 AA H 2O system at 25℃ in the whole concentration range were investigated by phase equilibrium method,and the corresponding phace diagram and refractive index diagram were constructed.The results indicate that systems are simple,and do not have new compound.The complexes of Zn(Leu)SO 4·0.5H 2O,Zn(Thr)SO 4·H 2O,Zn(Val)SO 4·H 2O which have not been reported in literature were prepared and characterized.
The solubility properties of ZnSO 4 AA H 2O system at 25 ° C in the whole concentration range were investigated by phase equilibrium method, and the corresponding phace diagram and refractive index diagram were constructed. The results indicate that systems are simple, and do not have new compound. These complexes of Zn (Leu) SO 4 .5H 2O, Zn (Thr) SO 4 .H 2O, Zn (Val) SO 4 .H 2O which have not been reported in literature were prepared and characterized.