ALL-SOLID POTASSIUM ION SELECTIVE ELECTRODE AND METHOD FOR MANUFACTURING ALL-SOLID POTASSIUM ION SELECTIVE ELECTRODE

To provide an all-solid ion selective electrode with which the stability of potentials and the long term stability of detection values have been improved.SOLUTION: An all-solid potassium ion selective electrode 1 comprises a conductor 2, an insertion material 10 which is formed on the surface of the...

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Hauptverfasser:	TAKEI YUKO, KURIBAYASHI TOMOYUKI, MATSUI TAKAHIRO, TAKAYAMA TOSHIJI, TATARA RYOICHI, ISHIHARA KENTA, KOMABA SHINICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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Zusammenfassung:	To provide an all-solid ion selective electrode with which the stability of potentials and the long term stability of detection values have been improved.SOLUTION: An all-solid potassium ion selective electrode 1 comprises a conductor 2, an insertion material 10 which is formed on the surface of the conductor 2, and a potassium ion sensitive film 20 that covers the insertion material 10. The insertion material 10 at least contains a Prussian blue analog expressed by the structural formula KxFe[Fe(CN)6]y-nH2O, where x is a number 0 and over to less than 2, y is a number 0 and over to less than 1, and n is a number 0 or greater.SELECTED DRAWING: Figure 2 【課題】電位の安定性や検出値の長期安定性を向上させた全固体型イオン選択性電極を提供する。【解決手段】全固体型カリウムイオン選択性電極１は、導体２と、導体２の表面に形成されたインサーション材料１０と、インサーション材料１０を覆うカリウムイオン感応膜２０とを備える。インサーション材料１０は、構造式ＫｘＦｅ[Ｆｅ（ＣＮ）６]ｙ・ｎＨ２Ｏで表されるプルシアンブルー類似体を少なくとも含み、ｘは、０よりも大きく２以下の数であり、ｙは、０よりも大きく１以下の数であり、ｎは、０以上の数である。【選択図】図２