A potassium-ion selective electrode with valinomycin based poly(vinyl chloride) membrane and a poly(vinyl ferrocene) solid contact
作者： Peter C. Hauser , David W.L. Chiang , Graham A. Wright
DOI: 10.1016/0003-2670(94)00472-X
关键词:
摘要: The construction of an ion-selective electrode for potassium, employing valinomycin as carrier in a poly(vinyl chloride) membrane and ferrocene) solid contact between the metallic substrate, is described. performance this compared to electrodes coated-wire configuration conventional with aqueous internal reference electrolyte. Nernstian responses were obtained three types selectivities detection limits are very similar all electrodes. stabilities these investigated over first 20 days use. solid-contact showed significant improvement stability it approaches one.
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