Enthalpies of Solution of Complexes of Rare Earth Nitrate with L-α-Histidine in Water

稀土学报(英文版), 2002, 20(5): 424-426.

刘洋 ^1, , 房艳 ^2, , 高胜利 ^3, , 陈三平 ^4, , 史启祯 ^5,

1.Departemnt of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China

2.Departemnt of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China

3.Departemnt of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China

4.Departemnt of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China

5.Departemnt of Chemistry, Shaanxi Key Laboratory of Physico-Inorganic Chemistry, Northwest University, Xi′an 710069, China

基金项目: 国家自然科学基金(2017036)

Enthalpies of Solution of Complexes of Rare Earth Nitrate with L-α-Histidine in Water

Keywords： rare earths

The enthalpies of solution in water of complexes of RE(NO3)3 (RE=La～Nd, Sm～Lu, Y) with L-α-Histidine (His) were measured at 298.15 K. The standard enthalpies of formation of RE(His)3+(aq) were calculated. The "tetrad effect" regularity was observed from the curve, which is the enthalpies of solution plotted against the atomic numbers of the elements in lanthanide series.

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Enthalpies of Solution of Complexes of Rare Earth Nitrate with L-α-Histidine in Water

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