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Jewelry made from gold and sterling silver are examples of jewelry that can be cleaned at home, while platinum should not be due to how at-risk platinum is of scratching. Jewelry with gemstones such as diamonds or sapphires can be cleaned at home as well using mild soap and warm water.
For silver jewelry that is tarnished, apply a tiny dab of white paste toothpaste (not gel) on a soft cloth and very gently rub it on the silver. Rinse well with warm water and shine with a soft cloth.
After polishing, the silver object is rinsed in deionized water and dried with a cotton cloth. [12] Once cleaned and dried the silver is wrapped in acid-free tissue paper and placed in a sealed plastic bag. A 3M anti-tarnish strip is also placed in the bag to absorb any sulfur that may be in the air. The tissue paper is used as a buffer to ...
Sterling silver is an alloy composed by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Tiffany & Co. pitcher ( c. 1871 ) having paneled sides and repoussé design with shells, scrolls and flowers; top edge is repousse arrowhead leaf design
The platinum is used to replace at least some of the copper present in a typical sterling silver alloy, which provides a greater light reflectivity (by refining the grain structure) and resistance to tarnish (thought to be caused by oxidation of copper) than standard sterling silver. Platinum Sterling is a cheaper alternative to white gold.
Silver is very important in electronics for conductors and electrodes on account of its high electrical conductivity even when tarnished. Bulk silver and silver foils were used to make vacuum tubes, and continue to be used today in the manufacture of semiconductor devices, circuits, and their components.
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