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Iridium - Wikipedia

Iridium is a chemical element with symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second-densest metal (after osmium) with a density of 22.56 g/cm 3 as defined by experimental X-ray crystallography. At room temperature and standard atmospheric pressure, iridium has a density of 22.65 g/cm 3, 0.04 g/cm 3 higher than ...

DPF Diesel Particulate Filters | Roadwarrior Inc.

Coated with Platinum Group Metals. Roadwarrior DPFs and DOCs are coated with platinum-group metals (PGMs) platinum or palladium to match the catalytic activity level of the OEM component. A PGM coated DPF acts as a hydrocarbon slip catalyst, burning …

US3428544A - Electrode coated with activated platinum ...

1. An electrode comprised of a metallic base coated with at least one platinum group metal containing 0.2 to 2.0% of at least one activating element selected from the group consisting of antimony, cadmium, lead, copper, tantalum, vanadium and columbium based on the weight of the platinum group metal. 2.

Ultrathin platinum-group metal coated hierarchical ...

In this paper, a templateless, surfactantless, electrochemical strategy for fabrication of ultrathin platinum-group metal coated HFGMs is proposed. HFGMs were prepared by simple electrodeposition on an indium tin oxide (ITO) substrate.

Electrochemical Applications of the Platinum Group Metals ...

These benefits must, of course, be achieved with anode materials of sufficiently low cost that there is a net reduction in process expense. 10.1.2 Coated Anodes In massive form, the platinum group metals, particularly iridium, meet many of the technical requirements but the …

Adsorption Behavior of Platinum Group Metals (Pd, Pt, Rh ...

Abstract Magnetite nanoparticles coated with nonylthiourea (NTH) were synthesized and analyzed for the separation and recovery of platinum group metals (PGMs) from diluted aqueous chloride solutions. Physical characterizations of the coated nanoparticles were performed by Transmission Electron Microscopy (TEM), Thermogravimetric Analysis (TGA) and FT‐IR Spectrometry.

microelectrodes

Learn about Platinum Group Coatings. Platinum-Iridium coated electrodes ...

Iridium - Wikipedia

Iridium is a chemical element with symbol Ir and atomic number 77. A very hard, brittle, silvery-white transition metal of the platinum group, iridium is the second-densest metal (after osmium) with a density of 22.56 g/cm 3 as defined by experimental X-ray crystallography.

Platinum Plating | Industrial Platinum Plating Services ...

Platinum Plating Services. The term "precious metals" describes a category of metals known for their rarity and high economic value. While these metals feature a lustrous appearance, they also exhibit a number of characteristics that make them well suited for various industrial applications.

Diesel Oxidation Catalyst DOCs | Roadwarrior Inc.

Coated with Platinum Group Metals. Roadwarrior DPFs and DOCs are coated with platinum-group metals (PGMs) platinum or palladium to match the catalytic activity level of the OEM component. A PGM coated DPF acts as a hydrocarbon slip catalyst, burning …

PFA-Coated Platinum-Iridium Wire - A-M Systems

Coated Platinum-Iridium Wire. This wire features a 90% Platinum and 10% Iridium composition and is widely used in the assembly of microelectrode probes. Iridium, a Platinum group metal, is very dense and hard, imparting added strength to the wire. 10 feet (3 m) per spool. Note: 775003 coated in PTFE.

Platinum Coating

Platinum Coating, Inc. will find the most cost-effective solutions, while maintaining reliability and accountability in any situation. We take pride in our work, using low VOC paints whenever called for, and work to complete all projects on time, and to your specifications.

Platinum coated Titanium Anodes | AMERICAN ELEMENTS

Platinum coated (Platinized) Titanium Anodes are highly conductive anodes used in electroplating, fuel cells, and other electronic applications. Platinum coated Titanium Anodes are generally immediately available in most volumes and can be fabricated in forms such as …

The Platinum Group Metals as Coating Materials

The Platinum Group Metals as Coating Materials The platinum group metals consist of platinum and palladium, as well as rhodium, iridium, osmium, and ruthenium. They can be found in the transition metals on the periodic table of the elements. A close-up of this part of the table is shown in Figure 1.

US9120077B2 - Surface-coated zeolite materials for diesel ...

A diesel oxidation catalyst for the treatment of exhaust gas emissions, such as the oxidation of unburned hydrocarbons (HC) and carbon monoxide (CO) is described. Also described is a novel washcoat composition including a surface-coated zeolite coated with at least one of zirconia and alumina, and a platinum group metal supported on a high surface area alumina.

Platinum group | chemical element group | Britannica.com

Platinum group: Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical behaviour of these metals is …

Platinum print - Wikipedia

Platinum prints are the most durable of all photographic processes [dubious – discuss]. The platinum group metals are very stable against chemical reactions that might degrade the print—even more stable than gold. It is estimated that a platinum image, properly made, can last thousands of years.

AUTOCATALYSTS AND PLATINUM GROUP METALS (PGMs)

Platinum Group Metals enable clean air and improve the quality of life AUTOCATALYSTS AND PLATINUM GROUP METALS (PGMs) Arguably the most important pollution abatement device ever invented, the autocatalyst, or catalytic converter, based on platinum group metals is a key component of most of the world's vehicle powertrains.

Platinum Group Metals Archives - FRASERS

0 Platinum Group Refining FRASERS reaches major manufacturing sectors in Canada through its network of industry channels and leading news sites. Advertise with us

Ultrathin platinum-group metal coated hierarchical ...

Request PDF on ResearchGate | Ultrathin platinum-group metal coated hierarchical flowerlike gold microstructure: Electrochemical design and characterization | The deliberate tailoring of ...

Platinum Plating Process - For Jewelry, Automotive ...

Platinum Plating Process Technology. Pure platinum is a tin white metal, it is malleable ductile and harder than silver. It does not tarnish in air, dissolve in acid, and it has a melting point of 3224 degrees F. In nature it is generally found as part of the Platinum Group Metals (PGM's); Platinum, Palladium, Rhodium, Ruthenium, Iridium, and ...

Materials 101 - Ultramet

Platinum group metals are unique among the transition metals because (except for osmium) they combine excellent catalytic activity with low chemical reactivity. As a result, the platinum group metals at Ultramet are used primarily for two purposes: protective and catalytic coatings.

Scrap Platinum Group Metals - Metal Casting Suppliers ...

The platinum group metals (PGM) comprise platinum (Pt), palladium (Pd), iridium (Ir), osmium (Os), rhodium (Rh) and ruthenium (Ru). Of these, only palladium, platinum and to some extent, rhodium are commercially important. Platinum is a silvery grey metal, heavy than ductile and highly ductile.

Platinum Group Elements - MIT

There are large deposits of platinum group elements in the Merensky and Upper Group 2 reefs in South Africa ("South Africa"). These deposits were formed from silicate magma intrusions. Immiscible sulfide liquid saturates the magma and attracts PGEs along with copper and nickel (Zientek, 2012).

Autocatalyst - PMM

What is an Autocatalyst? An autocatalyst is a cylinder of circular or elliptical cross section made from ceramic or metal formed into a fine honeycomb and coated with a solution of chemicals and platinum group metals. It is mounted inside a stainless steel canister (the whole assembly is called a catalytic converter) and is installed in the ...

What Is Iridium? - Metal Profile - The Balance

Apr 10, 2018· Iridium is considered the most corrosion resistant pure metal because of its resistance to attack from salts, oxides, mineral acids and aqua regia (a mixture of hydric and nitrochloric acids), while only being vulnerable to attack by molten salts such as sodium chloride and sodium cyanide.

Easy-to-Miss Places where Platinum-Plated Metals Can Be ...

Platinum-plated contacts and cables are widely used in industries that manufacture electrical components – and in electrical generators too. Purification Systems for Liquids of Many Kinds. Platinum-coated surfaces are found in devices that use electricity to …

Coated cutting tools having a platinum group metal ...

May 14, 2013· Coated cutting tools having a platinum group metal concentration gradient and related processes ... wherein the near-surface platinum group metal concentration gradient comprises from 10 weight percent to 100 weight percent platinum group metal on a total binder weight basis at the substrate surface and decreases with depth to zero or ...


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