淮北师范大学学报:自然科学版
淮北師範大學學報:自然科學版
회북사범대학학보:자연과학판
Journal of Huaibei Coal Industry Teachers College(Natural Science edition)
2011年
3期
36-39
,共4页
尿嘧啶%银%电位法%稳定常数
尿嘧啶%銀%電位法%穩定常數
뇨밀정%은%전위법%은정상수
uracil%silver%electromotive force method%stability constant
利用电位法研究尿嘧啶银配合物的组成形态及相应的稳定常数.电位法实验结果表明,尿嘧啶银络合物的主要形态有AgL2及Ag(OH)L2两种(L为尿嘧啶),各自的稳定常数分别为108.9及1 011.4.二者在溶液中各自的组成分数取决于OH-浓度大小.随着OH-浓度增大,银络合物形态由AgL2转化为Ag(OH)L2.另外,推断出两种银配合物的结构式.
利用電位法研究尿嘧啶銀配閤物的組成形態及相應的穩定常數.電位法實驗結果錶明,尿嘧啶銀絡閤物的主要形態有AgL2及Ag(OH)L2兩種(L為尿嘧啶),各自的穩定常數分彆為108.9及1 011.4.二者在溶液中各自的組成分數取決于OH-濃度大小.隨著OH-濃度增大,銀絡閤物形態由AgL2轉化為Ag(OH)L2.另外,推斷齣兩種銀配閤物的結構式.
이용전위법연구뇨밀정은배합물적조성형태급상응적은정상수.전위법실험결과표명,뇨밀정은락합물적주요형태유AgL2급Ag(OH)L2량충(L위뇨밀정),각자적은정상수분별위108.9급1 011.4.이자재용액중각자적조성분수취결우OH-농도대소.수착OH-농도증대,은락합물형태유AgL2전화위Ag(OH)L2.령외,추단출량충은배합물적결구식.
The composition and stability constants of silver uracil complexes were analyzed in this paper.The electromotive force data suggests that the formulations of silver complexes are AgL2 and Ag(OH)L2,and the values of logβare 8.9 and 11.4,respectively.The speciation diagram of silver uracil complexes depends on the concentration of hydrate.As the concentration of hydrate increases,the formulation of silver uracil complexes converses from AgL2 to Ag(OH)L2.Additionally,the structures of AgL2 andAg(OH)L2 is speculated.