摘要
锑（Ⅲ）－ＰＭＢＰ配合物极谱波的研究王曙，吴永强，廖占和（四川轻化工学院化工系６４３０３３）关键词锑，配合物吸附波，１－苯基－３－甲基－４－苯甲酰基吡唑啉酮－５。多种有机试剂可用于锑配合物极谱催化波的测定￣［１－２］。１－苯基－３－甲基－４－苯甲酰基...
The polarographic wave of complex of Sb (Ⅲ)-1-pheny-3-methy1-4-benzoylpyra-zolone-5 (PMBP)was studied. The optimum conditions are 1.5×10￣(-4)mol/L PMBP and HAc-NaAc buffer solution at pH 3.5. The potential of peak is -0.54v (vs. SCE). The Linear rangebetween the height of peak and the concentration of Sb (Ⅲ) is from 0.002-0.200μg/ml. The com-position of complex is Sb (Ⅲ): PMBP=1: 2. The conditional stability constant was found to be β=1.63×10￣6. The characters of polarographic wave and other electrochemical reaction mechanismwere investigated by cycle voltammetry and other electrochemical methods. The interferences from more than thirty metal ions are tested. The method has been used for determination of trace amount of Sb (Ⅲ) in a sample with satisfactory results.
出处
《化学研究与应用》
CAS
CSCD
1995年第1期64-67,共4页
Chemical Research and Application
关键词
PMBP
锑
配合物
吸附波
Antimony, Adsorptive complex wave, 1-phyeny1-3-methy1-4-benzoylpyrazolone-5.
