Three Methods Of Assay For Raw Precious Metals...

Items of jewelry or art made of precious metals are hallmarked based on specific requirements either of the country of import or the place of manufacture

posted on: Aug 3, 2014 | author: admin

The Six Precious Metals Of The Platinum Group...

In the periodic table of elements, six metallic elements are bunched together in the d-block, specifically in groups 8 to 9, periods 5 and 6.

posted on: Aug 3, 2014 | author: admin

The Four Platinum Bullion Coins: A Brief Description Of Each...

Bullion coins are coins made from precious metals. Their market values are determined by their inherent precious metal contents

posted on: Aug 3, 2014 | author: admin

The Eight Precious Metals Considered Noble Metals...

Most metallic chemical elements are known to easily oxidize and corrode, especially at high temperatures.

posted on: Aug 3, 2014 | author: admin

Silver: Precious Metal With The Highest Thermal And Electrical Conductivity...

Silver is generally described as a soft, white, lustrous metallic chemical element. It occurs naturally in its pure form, as an alloy with other metallic elements (especially gold), and in chlorargyrite and other minerals. As one of three coinage metals (the other two being copper and gold), silver is very malleable and ductile. Of the different metals, silver is known to have the highest thermal conductivity. Similarly of the different known elements, silver has the highest electrical conductivity. Provided below are some of the properties of this precious metal. General: • Chemical Symbol: Ag • Atomic Number: 47 • Category (as an element): Transition Metal • Group/ Period/ Block (in the Periodic Table): 11/ 5/ d • Atomic...

posted on: Aug 3, 2014 | author: admin

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