配合物[Ni(Me3en)(acac)]BPh4合成、分析实验实施结果与讨论——第10届全国大学生化学实验邀请赛无机及分析化学实验试题部分内容实施结果与讨论

董志强, 陈欣, 王凤彬, 王庆, 陶友荣, 阮婵姿, 张春艳, 章文伟, 任艳平

Results and Discussion on the Synthesis and Analysis of [Ni(Me3en)(acac)]BPh4 Complex: The Results and Discussion of Inorganic and Analytical Chemistry Experiment of the 10th National Undergraduate Chemistry Laboratory Tournament

Zhiqiang Dong, Xin Chen, Fengbin Wang, Qing Wang, Yourong Tao, Chanzi Ruan, Chunyan Zhang, Wenwei Zhang, Yanping Ren

表1 EDTA溶液标定的实验数据及结果

测定次数 mZn/g 定容体积/mL cZn2+/(mol∙L−1) VZn2+/mL VEDTA/mL cEDTA/(mol∙L−1) $ {\bar c_{EDTA}} $/(mol∙L−1) (修约前) s T $ {\bar c_{EDTA}} $/(mol∙L−1) (修约后) dr/% 1 25.00 23.80 0.009979 1 0.04 2 0.1553 250.0 0.009500 25.00 23.81 0.009975 0.009975 4 × 10−6 0 0.009975 0.00 3 25.00 23.82 0.009971 1 −0.04