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Rhodium (Rh) — element nr 45, edelmetaal van die platinum-groep, ontdek deur William Wollaston. Het 'n hoë katalytiese aktiwiteit en word gebruik in motorvoertuigkatalysatore, joewelerbedryf en chemiese industrie.
Catalog: Химия 
76 days ago · From South Africa Online
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Rhodium: the most expensive metal in the car Rare, brilliant, incredibly resistant to corrosion and acids. Element No. 45 is one of the most expensive precious metals in the world, without which modern automotive industry is impossible. There is a
South Africa Online · 74 days ago 0 80
 

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