Potentiometric CO2 sensor having an open titanate- or stannate-based reference electrode

摘要

PCT No. PCT/EP95/02525 Sec. 371 Date Dec. 23, 1996 Sec. 102(e) Date Dec. 23, 1996 PCT Filed Jun. 29, 1995 PCT Pub. No. WO96/00895 PCT Pub. Date Jan. 11, 1996The invention relates to a a reference electrode for electrolytic cells, comprising a combination of (a) titanium dioxide and an alkali-metal or alkaline-earth-metal titanate or (b) tin dioxide and an alkali-metal or alkaline-earth-metal stannate as a homogeneous mixture.