Tag archives for rhodium
Current three way catalytic converters have been in use since the early 1980’s. In brief, they use rhodium at the front end in a low oxygen environment to reduce nitrogen oxides to nitrogen gas and oxygen. This is followed by a more oxygen rich environment, created by oscillating the fuel…
The six platinum group elements are ruthenium (Ru), rhodium(Rh), palladium(Pd), osmium(Os), iridium(Ir) and platinum(Pt). These are all transition metals grouped in the centre of the periodic table. Os, Ir and Pt are the three densest metals, Os has a density of 22.6 compared with gold at 19.3 and silver at…