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Brand Since 2002 high purity Nano gold powder Au nanoparticle for catalyst

Nano gold catalyst, fine gold powder, gold nano particle

Product Description

gold nano particle, Au, 20-30nm, 99.99%, larger size is also available.

Properies :

1. gold nano particle is soft, ductile and the most malleable of metals, and because of this is usually alloyed to give improved strength and durability. Gold’s reflectivity of ultraviolet and visual light rays is low, however it has high reflectivity of infrared and red wavelengths.

2. gold nano particle is a good conductor of heat and electricity, and is unaffected by air, nitric, hydrochloric, or sulphuric acid and most other reagents. A mixture of one part nitric acid with three parts hydrochloric acid, called aqua regia, dissolves gold. It is also dissolved by solutions of azoimide. Further, it is attacked by sodium, and potassium cyanide plus oxygen.

Application of the gold nano particle:

1.gold nano particleis used for a radiation-control coating for spacecraft.

2. For electronic tubes, as gold-plated grid wire, to give high conductivity and suppressing secondary emissions.

3. Gold nano powder and gold sheet is used for soldering semiconductors, with gold having a good ability to wet silicon at 371°C (725°F)

4. Gold powder also is used as a plating material, where sodium gold cyanide is used as a gold plating solution. The plating has good chemical resistance and electrical properties, however the plating lacks wear resistance, in which case gold-indium plate is utilised.

5. Gold alloys also have a number of applications such as:

1) Gold-gallium and gold-antimony are used in electronic industry (primarily as wire)

2) Nano gold powder is used for dental applications and is rightly termed dental gold, where gold is alloyed with silver, platinum and on occasion palladium. It is sometimes alloyed with iridium for hardening.

For further information of thegold nano particle, please contact us freely.

Our Services

We are quick to respond to new opportunities. HW nanomaterials offers personalized customer service and support throughout your entire experience, from initial inquiry to delivery and follow-up.

Resonable Prices

High and stable quality nano materials

Buyer Package Offered--Custom packaging services for bulk order

Design Service Offered--Provide custom nanopowder service before bulk order

Fast shipment after payment for small order

Company Information

Laboratory

Research team consist of Ph. D. researchers and Professors, who can take good care

of nano powders quality and quick respond towards custom powders.

Equipmentfor testing and production.

Warehouse

Different storage districts for nanopowders according to their properties.

About us (2)

Guangzhou Hongwu Material Technology Co.,ltd is committed to provide high-quality element nanoparticles with the most reasonable price for customers who are doing nanotech research and have formed a complete cycle of researching, manufacturing, marketing and after-sale servicing. The company’s products have been sold to many countries around the world.

Our element nanoparticles(metal, non-metallic and noble metal) is on the nanometer scale powder. We stock a wide range of particle sizes for 10nm to 10um, and can also customize additional sizes on demand.

We can product most metal alloy nanoparticles on the basis of element Cu, Al, Si, Zn, Ag, Ti, Ni, Co, Sn, Cr, Fe, Mg, W, Mo, Bi, Sb, Pd, Pt, P, Se, Te, etc. the element ratio is adjustable, and binary and ternary alloy are both available.

If you are looking for related products that are not in our product list yet, our experienced and dedicated team is ready for help. Do not hesitate to contact us.

Buyer Feedback

FAQ

Q: Can I get some samples?

A: It depends on the nanopowder sample you want. If the sample is in stock in small package, you can get the free sample by just cover shipping cost, except precious nanopowders, you'll need tocover sample cost and shipping cost.

Q: How can I get a quote?A:We'll give you our competitive quote after we receive nanopowder specifications such as particle size, purity; dispersion specifications such as ratio, solution, particle size, purity.

Q: Can you help with tailor-made nanopowder?A:Yes, we can help you with tailor-made nanopowder, but we'll require a minmum order quantiy and leading time about 1-2 weeks.

Q: How can you guarantee your quality?A:We have strick quality control system as well as a dedicated research team, we have been focused on nanopowders since 2002, earning a reputation with good quality, we're confident our nanopowders will give you an edge over your business competitors!

Q: Can I get document information?A: Yes, COA, SEM,TEM areavailable.

Q:How can I pay for my order?A: We recommend Ali trade Assurance, with us your money in safe your business in safe.

Other payment methods we accept: Paypal, Western Union, Bank transfer, L/C.

Q: How about the express and shipping time?A:Courier Service such as: DHL, Fedex, TNT, EMS.

Shipping time(refer to Fedex)

3-4 business days to North American countries

3-4 business days to Asian countries

3-4 business days to Oceania countries

3-5 business days to European countries

4-5 business days to South American countries

4-5 business days to African countries

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