University Chemistry ›› 2021, Vol. 36 ›› Issue (10): 2101057.doi: 10.3866/PKU.DXHX202101057

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A Tale of Rhodium and Iridium

Yiran Li1, Lizheng Yao1, Zining Dong1, Jing Yan2,*(), Yi Yan1,2,*()   

  1. 1 Queen Mary University of London Engineering School, Northwestern Polytechnical University, Xi'an 710072, China
    2 School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710129, China
  • Received:2021-01-29 Accepted:2021-03-29 Published:2021-04-08
  • Contact: Jing Yan,Yi Yan;


Rhodium and iridium are two rare elements of the platinum family, and they have very similar properties. In a third-person personification, their unique physical and chemical properties, such as boiling point, reflectivity, elastic modulus, catalytic activity, and chemical stability have been introduced by designing a game of challenges. Additionally, the properties of their oxides and halides are also included, especially their applications in electroplating, automobile tail gas catalytic converters, thermocouple manufacturing.

Key words: Rhodium, Iridium, Iridium-rhodium alloy