N-苄基甘氨酸-N-乙基磷酸离解常数及其有关配合物稳定常数的确定
N-변기감안산-N-을기린산리해상수급기유관배합물은정상수적학정
DETERMING DISSOCIATION CONSTANTS OF N-BENZYL GLYCINE-N-ETHYLPHOSPHONIC ACID AND STABILITY CONSTANTS OF IT'S COMPLEXES
  • 万方数据
    化学研究与应用 화학연구여응용
    CHEMICAL RESEARCH AND APPLICATION
    2001年 1期 46-49 ,共4页

    罗中杰%李唯一%万家义

    라중걸%리유일%만가의

    N-苄基甘氨酸-N-乙基磷酸%离解常数%配合物%稳定常数 N-芐基甘氨痠-N-乙基燐痠%離解常數%配閤物%穩定常數
    N-변기감안산-N-을기린산%리해상수%배합물%은정상수
    用pH滴定法测定了标题化合物在25±0.1℃、35±0.1℃和45±0.1℃KNO3存在下的离解常数；计算了25±0.1℃离解反应的焓变ΔrHm和熵变ΔrSm。确定了25±0.1℃KNO3存在下，它与Co(Ⅱ)、Ni(Ⅱ)及Cu(Ⅱ)形成的配合物的稳定常数。
    용pH적정법측정료표제화합물재25±0.1℃、35±0.1℃화45±0.1℃KNO3존재하적리해상수；계산료25±0.1℃리해반응적함변ΔrHm화적변ΔrSm。학정료25±0.1℃KNO3존재하，타여Co(Ⅱ)、Ni(Ⅱ)급Cu(Ⅱ)형성적배합물적은정상수。
    The dissociation constants of N-benzyl glycine-N-ethylphosphonicacid have been measured by pH titration method at temperatures 25±0.1℃,35±0.1℃ and 45±0.1℃ respectively.ΔrHm and ΔrSm of the reaction have also been calculated.The stability constants of it's Co(Ⅱ),Ni(Ⅱ) and Cu(Ⅱ) complexes have been meacured by the same method under conditions of I=0.1 mol.dm-3 and in the presence of KNO3.
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