Abstract:
本文允绍了一种用银片作基体电极的PVC膜钾离子选择性电极。该电极较其他钾电极对铵离子的选择性要好,K_(K~+)~(Pot),NH_4~+为5.5×10~(-4),在0.5mol/L 醋酸铵介质中,电极对钾离子在5.0×10~(-5)—1.0×10~(-1)mol/L 范围内符合能斯特关系,斜率为65mv/PK(25℃),检测下限为1×10~(-5)mol/L。电极的稳定性和选择性能良好,能很好地应用于土壤中速效钾的测定。
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化学传感器
ISSN: 1008-2298
CN: 32-1406/TP
Year: 1991
Issue: 03
Page: 37-41,45
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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