RH

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Related to rhodium: Rhodium Plating

RH

1. ISO 3166-1 alpha-2 code for Southern Rhodesia before it changed its name to Zimbabwe. This was the code used in international transactions to and from bank accounts in Southern Rhodesia.

2. ISO 3166-2 geocode for Southern Rhodesia. This was used as an international standard for shipping to Southern Rhodesia.

In both cases, the code is obsolete.
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References in periodicals archive ?
Johnson Matthey Plc expects last year's small rhodium deficit to become a surplus of 68,000 ounces in 2018.
IRT's flagship product, the Rhodium Incident Management Suite, is currently in use throughout the United States and Canada by Police, Fire, EMS, Emergency Management, Campus Security, and other organizations.
When L = coumarin, Gibbs free energy values are larger when adding the second ligand than when adding the first one, where the coumarin ligand is the only one that binds to a rhodium through an oxygen atom.
At the end of this curve there is a very important point at which the ordinate is equal to zero, where (the line of rhodium in the table) the data of columns 6 and 7 coincide.
Additionally, palladium may benefit from its potential substitution value for higher priced rhodium and platinum and as a possible speculative play, as the metal may also be viewed as a potential substitute for other more expensive PGMs, like ruthenium and iridium.
"We have also had interest in Rhodium from companies both in the region and from across the country."
The electron is then shuttled to the central unit, which contains a rhodium atom.
According to the university, the new reactor features a catalyst based on the metals rhodium and ceria, and an automotive fuel injector that vaporizes and mixes the ethanol-water fuel, with the vaporized fuel mixture being injected into a tube containing a porous plug made of rhodium and ceria that the mixture passes through, emerging on the other side as a mixture of hydrogen, CO2 and other "minor products."
(clockwise from bottom right) Multi-stone, pounds 5, Top Shop; Pink stone, pounds 9.99, River Island; Faux amber, pounds 3.95, John Lewis; Lola Rose glass, pounds 75, House Of Fraser; Wooden, pounds 7.99, River Island; Rhodium plated, pounds 10, M&S; Gold plated, pounds 10, M&S; Pearl and diamonte, pounds 34.50, 1928@John Lewis
The last of the white precious metals is rhodium. This is the most expensive gives the whitest deposits and is produced from electrolytes that run at relatively low metal contents and are the most robust and tolerant to abuse.
Norilsk Nickel has a 10-year export quota for palladium but not for other PGM such as platinum and rhodium. Mr Kotlyar points out that autocatalyst manufacturers use all three and, since annual export licences for platinum and rhodium have been delayed over the past few years, purchasers go elsewhere for those metals, instead of buying all three from Norilsk.