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本文介绍了计算机控制的多功能极谱仪系统,该系统具有方波伏安法、微分脉冲伏安法等九种极谱分析技术,采用人机对话操作和高清晰度图形屏幕显示.在0.01mol·L~(-1)KCl 底液中.九种技术的峰电流与 Cd(Ⅱ)浓度均呈良好线性关系,相对标准偏差<5％.DPP 法测 Cd(Ⅱ),检测下限可达5×10~(-9)mol,L~(-1).
This paper introduces a computer-controlled multi-polar system with nine polarographic techniques, such as square-wave voltammetry and differential pulse voltammetry, using man-machine dialogue and high-resolution graphical display. mol.L -1 KCl.The peak currents of the nine techniques showed a good linear relationship with the Cd (Ⅱ) concentration, with a relative standard deviation of less than 5%. The detection limit of Cd (Ⅱ) by DPP was up to 5 × 10 ~ (-9) mol, L ~ (-1).