Ceramic with perovskite structure, use thereof as ph measuring electrode

The invention concerns a ceramic, a method for preparing same, and a pH measuring electrode containing same. The ceramic has a perovskite structure and the following properties: its composition is of formula L(2/3)-xA3x (1/3)-2xEO3, wherein L is Bi, Sb, a lanthanide or an alkaline-earth metal; A is...

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Bibliographische Detailangaben
Hauptverfasser:	ANDRE LEBLE, CLAUDE BOHNKE, ODILE BOHNKE, JEAN-LOUIS FOURQUET, HUGUETTE DUROY
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LIME, MAGNESIA MEASURING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REFRACTORIES SEPARATION SLAG TESTING TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention concerns a ceramic, a method for preparing same, and a pH measuring electrode containing same. The ceramic has a perovskite structure and the following properties: its composition is of formula L(2/3)-xA3x (1/3)-2xEO3, wherein L is Bi, Sb, a lanthanide or an alkaline-earth metal; A is Ag or an alkali metal; E is a transition metal oxidizable up to +5 oxidation level, alone or combined with Al or a transition metal oxidizable up to +5 or +6 oxidation level, is a vacancy and 0.06