Aug
Become Your Own Banker, Reclaim Control over Your Money
Posted by admin as Platinum Bullion
http://www.milligrambank.org
Duration : 0:4:57
Aug
Commodities Check: Gold Drops on Credit Plan Optimism
Posted by admin as Platinum Bullion
Bailout May Tarnish Gold; Platinum and Palladium Also Losing Appeal; Barrick Gold Chairman Sees Bullion Prices Rising if Rescue Plan Passes
Duration : 0:2:19
Aug
.999 PURE SILVER MELTING
Posted by admin as Platinum Bullion
Silver is a chemical element with the chemical symbol Ag (Latin: argentum, and atomic number 47.A soft,white,lustrous transition metal,it has the highest electrical conductivity of any element and the highest thermal conductivity of any metal.The metal occurs naturally in its pure,free form (native silver), as an alloy with gold (electrum) and other metals, and in minerals such as argentite and chlorargyrite. Most silver is produced as a by-product of copper,gold,lead,and zinc refining.Silver has been known since ancient times and has long been valued as a precious metal, used to make ornaments,jewelry,high-value tableware,utensils (hence the term silverware),and currency coins.Today,silver metal is used in electrical contacts and conductors,in mirrors and in catalysis of chemical reactions. Its compounds are used in photographic film and dilute solutions of silver nitrate and other silver compounds are used as disinfectants.Although the antimicrobial uses of silver have largely been supplanted by the use of antibiotics, further research into its clinical potential is in progress.
Silver is found in native form, alloyed with gold or combined with sulfur,arsenic,antimony or chlorine in ores such as argentite (Ag2S),horn silver (AgCl),and pyrargyrite (Ag3SbS3).The principal sources of silver are the ores of copper, copper-nickel, lead, and lead-zinc obtained from Peru, Mexico,China,Australia,Chile,Poland and Kosovo.Peru and Mexico have been mining silver since 1546 and are still major world producers.Top silver-producing mines are Proaño/Fresnillo(Mexico), Cannington(Queensland,Australia),Dukat (Russia), Uchucchacua (Peru) and Greens Creek mine (Alaska).
The metal can also be produced during the electrolytic refining of copper and by the application of the Parkes process on lead metal obtained from lead ores that contain small amounts of silver. Commercial-grade fine silver is at least 99.9% pure silver, and purities greater than 99.999% are available. In 2007, Peru was the world’s top producer of silver, closely followed by Mexico, according to the British Geological Survey.
Silver is a very ductile and malleable (slightly harder than gold) monovalent coinage metal with a brilliant white metallic er that can take a high degree of polish. It has the highest electrical conductivity of all metals, even higher than copper, but its greater cost and tarnishability have prevented it from being widely used in place of copper for electrical purposes, though 13540 tons were used in the electromagnets used for enriching uranium during World War II (mainly because of the wartime shortage of copper). Another notable exception is in high-end audio cables.
Among metals, pure silver has the highest thermal conductivity (the non-metal diamond and superfluid helium II are higher), the whitest color, and the highest optical reflectivity(although aluminium slightly outdoes it in parts of the visible spectrum, and it is a poor reflector of ultraviolet light). Silver also has the lowest contact resistance of any metal. Silver halides are photosensitive and are remarkable for their ability to record a latent image that can later be developed chemically. Silver is stable in pure air and water, but tarnishes when it is exposed to air or water containing ozone or hydrogen sulfide to form a black layer of silver sulfide which can be cleaned off with dilute hydrochloric acid. The most common oxidation state of silver is +1 (for example, silver nitrate: AgNO3); in addition, +2 compounds (for example, silver(II) fluoride: AgF2) and +3 compounds (for example, potassium tetrafluoroargentate: K[AgF4]) are known.
Duration : 0:0:48
Aug
Cowtown Gold & Silver.
Posted by admin as Platinum Bullion
At Cowtown Gold & Silver, we’re serving Fort Worth, Texas with a combined 55 years experience. Call Cowtown Gold & Silver today
at (817)877-4653.
Duration : 0:0:36
Aug
Superior Gold Group : The Gold IRA specialist
Posted by admin as Platinum Bullion
http://www.gold101.com The Superior Gold Group is here to let you know that you can diversify and control where your hard earned savings should be directed. We offer IRA, 401(K), gold and precious metals purchasing in the United States.
Duration : 0:3:26
Aug
Christmas Cash for Gold in Tampa FL
Posted by admin as Platinum Bullion
TOP CASH FOR YOUR $$GOLD$$ AND DIAMONDS, Cash Now for Christmas.Jazz Jewelers is buying Gold,silver & Platinum Bullion
Broken, bent or unwanted gold any carat
We are NOT a pawnshop and DO NOT pay pawnshop prices.
(813)-374-0108
Duration : 0:1:6
Aug
Dollar Collapse Wait & See
Posted by admin as Platinum Bullion
Quick examination of the dynamic of how and why the dollar may collapse.
Duration : 0:5:2
Aug
Bullion Ads New Look
Posted by admin as Platinum Bullion
Buy, Sell, Trade , Precious Metals At Internet Speed. No Final Value Fees. Keep Your Money.
Duration : 0:3:13
Aug
Nick Barisheff speaks on BMG bullion products
Posted by admin as Platinum Bullion
Bullion Management Group Inc. President and CEO Nick Barisheff explains the various investments offered, including the BMG BullionFund.
Duration : 0:2:0
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