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用长链四烷基锡为中性载体制备了性能优良的十二烷基磺酸根PVC膜电极。用其为指示电极,以非平衡方式进行快速电位滴定。借卡尔曼滤波方法可靠地确定等当点。引入的滤波算法具有通用性,能有效地节省电位滴定分析时间。
High-performance dodecylsulfonate (PVC) membrane electrode was prepared by using long-chain tetraalkyl tin as neutral carrier. Use it as an indicator electrode for rapid potentiometric titration in a non-equilibrium manner. Equivalent points are reliably determined by the Kalman filter method. The introduced filtering algorithm has the versatility, which can effectively save the potential titration analysis time.