电位法基体效应在氟离子选择性电极分析中的影响
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赵玲丽, 张嘉捷, 徐孝菲, 习玲玲, 委育秀, 唐云湖, 林旭锋
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Matrix Effects in Potentiometric Method on Fluoride Selective Electrode Analysis
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Lingli Zhao, Jiajie Zhang, Xiaofei Xu, Lingling Xi, Yuxiu Wei, Yunhu Tang, Xufeng Lin
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表4 掺杂乙醇的复杂基体样品的标准曲线
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| 乙醇含量/% | 回归方程 | 浓度区间/(mol∙L−1) | R2 | | 0 | E = −5.56 × 10−2lgcF− + 2.29 × 10−2 | 1.00 × 10−5–1.00 × 10−2 | 0.999 | | 5 | E = −5.64 × 10−2lgcF− + 1.56 × 10−2 | 1.00 × 10−5–1.00 × 10−2 | 0.999 | | 10 | E = −5.78 × 10−2lgcF− + 4.20 × 10−3 | 1.00 × 10−5–1.00 × 10−2 | 0.999 | | 20 | E = −5.81 × 10−2lgcF− − 8.60 × 10−3 | 1.00 × 10−5–1.00 × 10−2 | 0.999 | | 30 | E = −5.89 × 10−2lgcF− − 2.39 × 10−2 | 1.00 × 10−5–1.00 × 10−2 | 0.999 |
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