Rhodium (Rh)

Rhodium is a rare, silvery-white, hard, corrosion-resistant transition metal.

Core Principles & Analysis

• William Hyde Wollaston discovered rhodium in 1803, naming it from the Greek for rose after the color of its salts.
• It is exceptionally reflective and corrosion resistant, and it has frequently traded as the most expensive precious metal.
• Its dominant use is in three-way catalytic converters, where it reduces nitrogen oxides in vehicle exhaust.

Specifications & Metrics

• NUM: 45
• SYMBOL: Rh
• CATEGORY: Transition Metal