Extraction behaviour of Cadmiun(Ⅱ) with a new trilon N,N′-di(dodecyl)ethylenediamien-di-acetic acid (H2R2Y) in chloroform was investigated.Complex ratio between H2R2Y and Cd2+ 1∶1 was substantiationed by cond...Extraction behaviour of Cadmiun(Ⅱ) with a new trilon N,N′-di(dodecyl)ethylenediamien-di-acetic acid (H2R2Y) in chloroform was investigated.Complex ratio between H2R2Y and Cd2+ 1∶1 was substantiationed by conductance and mole ratio method.The influence of acidity,concentration of H2R2Y,phase-radio and temperature of extraction reaction was studied.The results indicated that:percentage extraction of Cd(Ⅱ) increased with the increase of the concentration of H2R2Y and the distribution ratio lgD decreased linearly with the increase of temperature.ΔHo=-7.254KJ·mol-1 for the extraction reaction.展开更多
文摘Extraction behaviour of Cadmiun(Ⅱ) with a new trilon N,N′-di(dodecyl)ethylenediamien-di-acetic acid (H2R2Y) in chloroform was investigated.Complex ratio between H2R2Y and Cd2+ 1∶1 was substantiationed by conductance and mole ratio method.The influence of acidity,concentration of H2R2Y,phase-radio and temperature of extraction reaction was studied.The results indicated that:percentage extraction of Cd(Ⅱ) increased with the increase of the concentration of H2R2Y and the distribution ratio lgD decreased linearly with the increase of temperature.ΔHo=-7.254KJ·mol-1 for the extraction reaction.