| 简介 |
The sensor unit has measuring electrodes (13, 14) that subject measuring gas volumes. The gas volumes are exposed to units for absorption of nitrogen oxides, where the gas volumes are passed through absorbents. The absorbents exhibit a regeneratable nitrogen oxide storage (24). A storage component exhibits mixture of oxides of alkali metal e.g. sodium and potassium, alkaline earth metal e.g. barium and rare earth metal e.g. lanthanum. The electrodes consist of catalytically inactive material that contains gold, palladium, silver, ruthenium and gold/platinum alloy. |
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