Platinum powder, often referred to as platinum black, is a fine, dark-brown or black powder of platinum metal used primarily as a highly active catalyst in chemical reactions, fuel cells, and sensors. It is produced by reducing platinum compounds, such as ammonium chloroplatinate, and features a high surface area to maximize catalytic activity. Platinum black is widely used as a thin film covering solid platinum metal, forming platinum electrodes for applications in electrochemistry. The process of covering platinum electrodes with such a layer of platinum black is called platinization of platinum....
APPLICATIONS
Platinum is one of the most important catalysts in modern industry. It is widely used in automotive catalytic converters, petroleum refining, fuel cells, and chemical synthesis — accelerating reactions with exceptional efficiency and stability.
Platinum is a premier, high-end jewellery metal valued for its 95% purity, exceptional durability, and natural white luster that enhances diamonds. Renowned for being hypoallergenic and 60% heavier than 14k gold, it is ideal for secure stone settings in engagement and wedding rings. It develops a unique patina over time and is increasingly popular as a durable alternative to white gold.
Platinum is considered a strategic investment asset, offering portfolio diversification and a hedge against inflation. Its limited global supply and critical industrial applications drive long-term demand.
Thanks to its biocompatibility and corrosion resistance, platinum is used in dental alloys to reinforce crowns, bridges, and inlays — providing strength and longevity while remaining safe for long-term contact with oral tissue.
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