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palladium powder is an alloy precursor used for sintering and metallurgical applications. It is available in a wide range of particle sizes for different applications, including rod, ingot, pieces, pellets, disc and granules. It is also available in compound forms, such as oxide.
Origin: Mineral sourced from South Africa, the United States, Canada and Russia. Often found as a by-product of nickel and copper mining.
Physical Properties: Shiny white metal, lustrous, resistant to air corrosion and acidic action. When annealed, it is soft and ductile. It has a very low melting point and absorbs hydrogen up to 900 times its own volume.
Applications: Automotive catalytic converters, dental, electrical, jewelry, multi-layer ceramic capacitors, hybrid integrated circuits, the catalyzation of CO into CO2 in air purification panels, and various consumer electronic products such as widescreen televisions and cell phones.
History: Discovered and first isolated in 1803 by William Hyde Wollaston, it is named after the asteroid Pallas. It is an important element in the platinum group of metals (PGMs).
Safety Data: When working with finely divided powders, handle in a controlled environment and ensure adequate ventilation to maintain exposures below occupational limits. Wear NIOSH approved respirator as necessary and protective work clothing.
Hazards: Dust, fume and particulate may be generated from handling. Exposure to these substances can cause respiratory irritation and skin sensitization in sensitive individuals.
It is important to store palladium powder in an area away from strong oxidizing agents, acids, halogens and aqua regia, and at room temperature. This will reduce the likelihood of dust formation, which can be a source of ignition.