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Gold

gold - elemental-expectations-exceeded

Probably the first pure metal known to man, gold has been highly valued from earliest times. It is a yellow, malleable, ductile, and soft metal, often alloyed to give it more strength. Gold is a good conductor of heat and electricity and is resistant to oxidation and most reagents. Extremely light reflective, it is an excellent reflector particularly of infrared. The freezing point of gold serves as a calibration point for the International Temperature Scales.

Not only do we offer a broad range of catalog products, our specialized gold compounds are available in bulk quantities as well. We have the capability to produce batch sizes up to 200 kg in packing sizes customized to meet your requirements.

Learn more about our specialty bulk capabilities.
 

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Popular Gold Products

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Pure Gold Forms

 


Gold Compounds & Nanoparticles

 


Gold Alloys

 






See all gold element forms



See all gold compounds, nanoparticles and nanorods

See all gold alloys

 

In addition to the extensive range of gold alloys, compounds and pure gold, we offer a high purity line of products. The minimum purity for pure elements of our PremionTM line of products, named for high purity precious metal compounds and pure elements, is 99.99% (metals basis). Premion pure elements include: Platinum (Pt), Palladium (Pd), Rhodium (Rh), Iridium (Ir), Ruthenium (Ru), Osmium, Silver (Ag), and Gold (Au). We also offer a line of Specpure gold standards and gold nanoparticles and nanorods in a variety of sizes.

 

Featured applications

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The Alfa Aesar™ portfolio of gold products can be used in a wide range of applications, from computers and electronics to medicine and aerospace.

   

Gold NanoParticles (GNP) in medicine 
Headline-making applications of gold nanoparticles include: diagnosis of cancers, heart diseases, and infections; medical procedures and treatments such as drug delivery, gene therapy, photodynamic therapy and radiotherapy dose enhancement.

Browse our gold nanoparticles and nanorods

 

Gold in medical devices
Small amounts of gold are used in surgical instruments, electronic equipment, and life-support devices. Radioactive gold can be implanted in tissues as a radiation source to treat specific cancers, and when injected with a colloidal solution, it functions as a beta emitter that travels through the body to aid in diagnosis.

Browse our gold wire and gold foil

Gold nanoparticles (GNP)in drug discovery
Gold nanoparticles are being used in the development of a new generation of broad-spectrum antiviral drugs and as an antibiotic, antifungal, and antimicrobial agent when added in plastics, coatings, nanofibers and textiles. Nanoparticles cross-linked with collagen gels are also being developed to treat ageing or damaged skin. They are also being used .

Browse our gold nanoparticles and nanorods

Gold in chemistry
Supported gold catalysts are used in a wide range of chemical reactions, including: carbonmonoxide oxidation, catalytic combustion of hydrocarbons, hydrochlorination of ethyne, hydrogen peroxide formation, oxidation of glucose to gluconic acid, oxidative decomposition of dioxins, ozone decomposition, NOx reduction, epoxidation of olefins, and hydrogenation of alkynes. Gold alloy catalysts are used in the commercial production of vinyl acetate monomer (VAM).

Browse our gold catalysts

Gold in technology
Gold in one or the other elemental form is used in the mounting of microprocessors, in memory chips, as connectors used to attach cables, as well as in GPS systems, calculators, and fuel cell applications. Gold nanoparticles are being explored for use as sensory probes, electronic conductors, and organic photovoltaics.

Browse our gold nanoparticles, nanorods and our pure gold forms and alloys.

 

Gold in space
Pure gold in one or the other form is used in space vehicle circuitry, as a lubricant between vehicle parts, and as a radiation reflector for stabilizing the temperature inside the space vehicle.

Browse our gold wire and gold foil

 

gold sheet

Some gold facts
Did you know?

  • Earthquakes turn water into gold: Gold is formed when an earthquake widens a fluid-filled rock fracture, causing a drop in pressure, which allows gold dissolved in the fluid to rapidly leach out.

  • 300 times more gold is recoverable from a ton of iphones, than from a ton of gold ore.

  • Gold is the only metal that is yellow in color. Other metals may develop a yellowish color, but only after they have oxidized or reacted with other chemicals.

  • Gold is extremely malleable and ductile: A single ounce of gold (about the size of a quarter) can be beaten into a thin sheet covering 100 square feet or drawn out into 50 miles of gold wire.

  • Because gold is a very good heat reflector, every McLaren F1 car engine contains 16 grams of gold in its engine bay. 

Reference: American Chemical Society (ACS)

 

Visit our silver and platinum pages  
 

 

interactive periodic table

 

 
Find gold in our interactive periodic table


Click on image to learn the physical properties of gold or any element, as well as to select products by format or find compounds and alloys.

Search by element now

periodic table wall planner

 

 
Periodic table wall planner


2019 is the International Year of the Periodic Table (IYPT)! In celebration of 150 years of the periodic table of the elements, we are giving away, for a limited time, a 2019 wall planner.

Request your wall planner now.

 

 

 

 

 

 

 

 

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