电位法基体效应在氟离子选择性电极分析中的影响

赵玲丽, 张嘉捷, 徐孝菲, 习玲玲, 委育秀, 唐云湖, 林旭锋

Matrix Effects in Potentiometric Method on Fluoride Selective Electrode Analysis

Lingli Zhao, Jiajie Zhang, Xiaofei Xu, Lingling Xi, Yuxiu Wei, Yunhu Tang, Xufeng Lin

表5 掺杂乙酸的复杂基体样品的标准曲线

乙酸含量/% 回归方程 浓度区间/(mol∙L−1) R2 0 E = −5.61 × 10−2lgcF− + 1.94 × 10−2 1.00 × 10−5–1.00 × 10−2 0.999 5 E = −5.69 × 10−2lgcF− + 2.86 × 10−2 1.00 × 10−5–1.00 × 10−2 0.999 10 E = −5.91 × 10−2lgcF− + 2.69 × 10−3 1.00 × 10−5–1.00 × 10−2 0.999 20 E = −5.86 × 10−2lgcF− + 3.99 × 10−3 1.00 × 10−5–1.00 × 10−2 0.999 30 E = −5.90 × 10−2lgcF− + 4.60 × 10−2 1.00 × 10−5–1.00 × 10−2 0.999