View Questions & Answers
The questions are arranged by category. Click on a question to find its answer.
Apparatus and Technique
Catalysis - Applied and Physical Aspects
Catalysis - Industrial Process
- Nitric acid plant converters are dome shaped – why?
- Questions about platinum/rhodium catalyst gauzes used for ammonia oxidation
Chemistry
Commercial
- Significance of fuel cells to the platinum market
- PGMs in oxygen sensors and spark plugs
- Amount of platinum for anti-cancer medical treatments
- Troy ounce
- Osmium applications
Emissions Control
- Quantity of PGM in an autocatalyst
- Platinum fuel-borne catalysts
- CO light-off temperatures on Pt, Pd & Rh supported on gamma alumina
- Autocatalysts for ethanol-fuelled vehicles
- Platinum catalysts to lower NOx emissions
- Platinum in catalytic converters
- Cleaning up methane exhaust
- Platinum oxidation state for catalytic converters
Fuel Cells
History
Jewellery
- Platinum jewellery alloys
- Platinum jewellery in India
- Handworking platinum jewellery
- Rhodium for jewellery
- Platinum investment casting
- Biocompatability of PGMs and alloys
Metallurgy and Materials
- Temperature-induced discolouration of platinum alloy
- Sponge form of platinum group metals
- Melting points of pgms
- Crystal structure of platinum
Mining and Geology
- Types of platinum and platinum nuggets
- Platinum and chromium
- Platinum by weight
- Which countries produce platinum and palladium?
- Platinum produced since 1900
Physical Methods
- Etchant to reveal platinum welds
- Test for palladium
- How can platinum wire be joined to platinum?
- How can platinum pastes be made?
- Platinum wire bonding
- Platinum pastes – how is good adhesion achieved?
- How can I test if a metal is platinum?
Refining and Recovery
- Separation of palladium and nickel in solution
- In pgm recovery from effluent are there alternatives to using hydrazine?
- Recycling of pgm-containing scrap
- Separation of PGM
- Recycling spent chemicals
- Rhodium recovery
