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A low-temperature zirconia oxygen gauge has been developed. It uses Bi 3 Ru 3 O 11 -ZrO 2 Y 2 O 3 as electrode material instead of other ruthenium oxides. The e.m.f. response of the gauge to oxygen follows Nernst's law satisfactorily at temperatures down to 473 K. The gauge has rather low resistance in this temperature range. The response characteristics...
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