复合离子电极法测定贵州砖茶氟含量
Scientific Experiment in Countryside（2020）
Abstract
采用复合氟离子电极法测定贵州砖茶中氟含量,相对于国标方法氟离子选择电极法,其操作简便,灵敏,电极平衡时间更短,且复合氟离子电极法试验结果准确可靠,标准曲线R2=0.9825,回收率90.84％,精密度(RSD％)0.6～1.4,重新性RSD％为1.1,试验结果满足相关标准要求.
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